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157 Cards in this Set
- Front
- Back
Define Physiology
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science that deals with the functions of living organisms and their parts.
(greek) physis-nature, logos-study |
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6 levels of organization of the body
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chemical, cellular, tissue, organ, system and organism.
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4 major tissue types
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epithelial, connective, muscle and nervous.
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anatomical position
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reference position of the body. in an erect or standing posture with arms at the side palms facing out
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antebrachial
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forearm
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antecubital
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depressed area in front of elbow
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axillary
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armpit (axilla)
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brachial
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upper arm
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buccal
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cheek
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calcaneal
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heal
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carpal
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wrist
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cephalic
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head
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cervical
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neck
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coxal
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hip
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cranial
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skull
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crural
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leg
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cubital or olecranal
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back of elbow
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digital or phalangeal
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fingers or toes
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dorsal
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back or top
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facial
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face
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femoral
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thigh
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frontal
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forehead
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gluteal
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buttocks
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hallux
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great toe
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inguinal
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groin
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lumbar
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loin or lower back btw ribs and pelvis
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mammary
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breast
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manual
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hand
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mental
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chin
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nasal
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nose
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navel
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umbilicus
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occipital
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base of skull
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oral
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mouth
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orbital or opthamal
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eyes
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otic
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ear
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palmar or volar
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palm of hand
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patellar
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anterior / front of knee
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pedal
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foot
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perineal
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area btw anus and genitals
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plantar
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sole of foot
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pollex
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thumb
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popliteal
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area behind the knee
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pubic
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pubis
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crural
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lower leg / calf
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tarsal
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ankle
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temporal
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temple / side of skull
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thoracic
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chest
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9 abdominal regions
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(R) hypochodriac, epigastric, (L) hypochondriac, (R) Lumbar, umbilical, (L) lumbar, (R) Inguinal, hypogastric, (L) inguinal
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4 abdominopelvic quadrants
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(R) upper, (R) lower, (L) upper, (L) lower.
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toward the head
(i.e. the heart is _______ to the liver) |
superior
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towards the feet
(ie. The stomach is _______ to the lungs) |
inferior
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front also called ventral
(ie. the sternum is ______ to the heart) |
anterior
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back also called dorsal
(ie. the esophagus is ______ to the trachea) |
posterior
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toward the midline
(ie. the ulna is ______ to the radius) |
medial
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towards the side
(ie. the lungs are ______ to the heart) |
lateral
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nearest to the trunk or nearest the point of origin
(ie. the humerus is ______ to the radius) |
proximal
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away from or furthest from the trunk
(ie. the phalanges are ______ to the carpals) |
distal
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nearer the surface
(ie. the ribs are ______ to the lungs) |
superficial
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farther away from body surface
(ie. the ribs are ______ to the skin of the chest and back) |
deep
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Frontal plane
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also called coronal plane cuts the body into anterior and posterior parts
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Sigittal plane
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divides the body into right and left parts
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transverse plane
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divides the body into upper and lower parts
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homeostasis
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The maintenance of relatively stable conditions. Balance
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negative feedback system
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Reverses a change in a controlled condition. Tend to regulate conditions in the body that are held fairly stable over long periods, such as BP, blood glucose level, and body temperature
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positive feedback system
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strengthens a change in a controlled condition. Tend to reinforce conditions that don't happen very often, such as childbirth, ovulation, and blood clotting.
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What is located in the Right hypochondriac region
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liver,gallblader
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What is located in the Epigastric region
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liver stomach
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What is located in the left hypochondriac region
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stomach,large intestine
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What is located in the right lumbar region
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large and small intestine
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What is located in the Umbillical region
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transverse colon,small intestine, gall bladder
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What is located in the left lumbar region
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small intestine,colon
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What is located in the right inguinal
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cecum,small intestine
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What is located in the hypogastric (pubic) region
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small intestine,bladder,appendix
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What is located in the left inguinal region
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colon,small intestine
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Which cavity is Formed by crainal bones and contains brain
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Crainal cavity
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Which cavity is Formed by vertebral column and contains spinal cord and the beginings of spinal nerves
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Vertebral canal
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Which cavity contains Chest cavity; contains pleural and pericardial cavities and mediastinum
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Thoracic cavity
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Which cavity contains The serous membrane surrounding each lung
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Pleural cavity
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Which cavity contains The serous membrane that surrounds the heart
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Pericardial cavity
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Which cavity contains the Central portion of the thoracic cavity between the lungs; extends from the sternum to vertebral column and from neck to diaphragm; contains the herat, thymus, esophagus, trachea and several large blood vessels
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mediastinum
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Which cavity is Subdivided into abdominal and pelvic cavities
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Abdominopelvic cavity
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Which cavity Contains the stomach, spleen, liver, gallbladder, small intestine, and most of large intestine
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Abdominal cavity
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Which cavity contains the urinary bladder, portions of the large intestine, and internal organs of the reproductive system
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pelvic cavity
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What usually have a recognizable shape,are composed of two or more different types of tissues, and have specific functions
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Organs
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What is the smallest unit of matter
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atoms
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What are the basic structural and functional units of an organism
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Cells
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What are the three basic components that make up a feedback system
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receptor, control center, and effector
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What is an abnormality of structure and/or function
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Disorder
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What is a more specific term for an illness characterized by a recognizable set of symptoms and signs
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Disease
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What are subjective changes in body functions that are not apparent to an observer (ie headache or nausea)
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symptoms
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What are objective changes that a clinician can observe and measure
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Signs
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Which plane passes through midline of the body or organ and divides into equal right and left side
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midsagittal plane
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If the sagittal plane does not pass through the midline but instead divides into unequal right and left is called
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parasagittal plane
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Which plane passes through at an angle between transverse and frontal
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oblique plane
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Which system regulates body temperature; protects the body; eliminates some waste; helps in production of vitamin D; etects touch, pressure, pain, warmth, and cold
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Integumentary system
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Which system supports and protects the body, provides a specific area for muscle attachment, assist with movements, stores cells that produce blood cells and stores minerals and lipids
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Skeletal system
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Which system participates in bringing about body movements such as walking
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muscular system
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Which system regulates body activities through nerve impulses by detecting changes in the enviornment, interpret the changes, and respond to the changes by bringing about muscular contractions or glandular secretions
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Nervous system
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Which system regulates body activities through hormones transported by the blood to various target organs
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Endocrine system
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Which system does blood carry oxygen and nutrients to cells and carbon dioxide and wastes away from cells and helps regulate acidity, temperature, and water content of body fluids
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Cardiovascular system
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Which system returns proteins and fluid to blood; carries lipids from gastrointestinal tract to blood
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lymphatic system
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Which system transfers oxygen from inhaled air to blood
and carbon dioxide from blood to exhaled air |
respiratory system
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Which system controls the physical and chemical breakdown of food
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Digestive system
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Which system produces, stores and eliminates urine
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Uriniary system
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Which system produce gametes, and release hormones that regulate reproduction
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Reproductive sysytem
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How many major elements are in the body and what are they and this contitutes what %of the body's mass
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4 major elements
Oxygen Carbon Hydrogen Nitrogen constitutes 96% of the body's mass |
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How many elements make up the "lesser elements", what are they and this contributes what % of the body's mass
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8
calcium, phosphorus, potassium, sulfur, sodium, chlorine, magnesium and iron makes up 3.8% |
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Trace elements makes up what % of the body's mass
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0.2%
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The forces that bind the atoms of molecules and compounds together, resisting their separation are
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Chemical Bonds
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What are the three general types of chemical bonds
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Ionic bonds
covalent bonds hydrogen bonds |
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Which chemical bond has force of attraction between ions of opposite charges
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Ionic bond
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Which chemical bond share one, two, or three pairs of their outer shell electrons
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covalent bonds
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Which chemical bond establishes important links between molecules, such as water molecules
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Hydrogen bonds
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What occurs when new bonds form and / or old bond breaks between atoms
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chemical reaction
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When two or more atoms, ions, or molecules combine to form new and larger molecules
ex: A + B = AB |
synthesis reaction
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Combining simple molecules like amino acids to form large molecules such as proteins is an example of what
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anabolism
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Large molecules are split into smaller molecules, ions, or atoms is what
ex: AB = A + B |
decomposition reaction
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The breakdown of large starch molecules into many small glucose molecules during digestion is an example of what
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catabolism
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The sum of all chemical reactions in the body is called
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metabolism
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AB + CD = AD + BC
is an example of what type of reaction |
exchange reaction
consist of both synthesis reaction and decomposition reaction |
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AB = A + B when water is added and then
A + B = AB when heat is applied is an example of what type of reaction |
Reversible reaction
can go either direction under different conditions |
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What is always a measurement of hydrogen ions in a solution
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PH
Which determines a solution's acidity or alkalinity |
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What is the midpoint of the PH scale and how is it refered to
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7 is midpoint
refered to as neutral |
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When pH increases past 7 it becomes refered to as what
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alkaline or basic
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When pH decreases from 7 it becomes refered to as what
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acidic
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Any substance that has a pH of 1-6 is what and 8-14 is what
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pH 1-6 = acidic
pH 8-14 = alkaline pH 7 = neutral |
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Why does the pH of fluids inside and outside of cells remain almost constant
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the presence of buffer sysytems
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What are chemical compounds that act quickly to temporarily bind H+, removing the highly reactive, excess H+ from solution but not from the body.
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Buffers
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What is an example of a buffer system
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Carbonic acid-bicarbonate buffer system.
H+ + HCO3- = H2CO3 removed excess H+ H2CO3 = H+ + HCO3- functions as a weak acid with a shortage of H+ |
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What are the 3 main parts of a cell
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Plasma membrane
Cytoplasm Nucleus |
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What forms a cells flexible outer surface, separating the cell's internal environment from its external environment
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Plasma membrane
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What consists of all the cellular contents between the plasma membrane and the nucleus
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Cytoplasm
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What is the largest organelle of a cell
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nucleus
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What is the liquid portion of cytoplasm that consists mostly of water plus dissolved solutes and suspended particles
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Cytosol
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what acts as the control center for a cell
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Nucleus
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What is the basic framework of the plasma membrane
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lipid bilayer
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What are the 3 types of lipid molecules that make up the lipid bilayer
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phospholipids (contain phosphorus)
cholesterol glycolipids (attach to carbohydrates) |
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What is the reason the plasma membrane allows some substances to move into and out of the cell but restricts the passage of other substances
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Selective permeability
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What enable a cell to recognize other cells of its own kind during tissue formation, or to recognize and respond to potentially dangerous foreign cells
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cell identity markers
ex: Membrane glycoproteins and glycolipids |
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What is a difference
in concentration between two different areas |
Concentration Gradient
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What recognizes and binds a specific molecule that governs some cellular function.
ex: hormone insulin |
Receptors
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What do integral proteins form through which specific ions, such as potassium ions
(K), can move into and out of cells |
ion channels
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What changes shape as they move a substance from one side of the membrane to the other
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carriers (transporters)
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What moves in one direction to open the pore and in another direction to close it
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gated channels
Gated channels are important for the production of electrical signals by body cells. |
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Some substances that cannot
move through the lipid bilayer by simple diffusion do cross the plasma membrane by a passive process called |
facilitated diffusion
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substances diffuse across a membrane through the lipid bilayer
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SIMPLE DIFFUSION
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is useful to treat patients who have cerebral edema, excess interstitial fluid in the brain.
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hypertonic solutions
It has a higher concentration of solutes than does the cytosol inside red blood cells |
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given either orally or through an IV, can be used to treat people who are dehydrated.
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hypotonic solution
a solution that has a lower concentration of solutes (higher concentration of water) than the cytosol inside the red blood cells |
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(membrane around the nucleus separates the nucleus
from the cytoplasm) and appears “rough” because its outer surface is studded with ribosomes |
nuclear envelope
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What controls the movement of substances between the nucleus and the cytoplasm.
Many openings that pierce the nuclear envelope. |
nuclear pores
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clusters of protein, DNA, and RNA are the sites of assembly
of ribosomes, which exit the nucleus through nuclear pores and participate in protein synthesis in the cytoplasm. |
nucleoli or nucleolus
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What control cellular structure and direct most cellular activities
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Genes
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In a cell that is not dividing, the 46 chromosomes appear as a diffuse, granular mass, which is called
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chromatin
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The total genetic information
carried in a cell or organism is called |
genome
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a sperm cell has a long whiplike tail called _______ that it uses for locomotion.
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(flagellum)
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What maintain their normal shape in a isotonic solution; in a hypotonic solution, they gain water and undergo hemolysis; in a hypertonic solution, they lose water and undergo crenation.
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Red blood cells
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What is refered to how cells differ in size and shape.
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CELLULAR DIVERSITY
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