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59 Cards in this Set

  • Front
  • Back
What is the defenition of Biology?
Study of Life
What is the defenition of Life?
State of existance that distinquishes living from non-living things.
Definition of Anatomy?
study of structure
Definition of Physiology?
Study of functions of body
Characteristics of Life
Grow, reproduce, abitlity to metabolise, respire, motility, comprised of cells, contain carbon, irritability, have a lifespan, adapt, evolve, are organized
Stages of metabolism
Catabolism-complex substances to simple protein to amino acid

Anabolism-converts simple to complex amino acid to protein
Defenition of irritability
respond to stimuli
Organization of life
biosphere-> biomes-> communities -> populations -> Individuals -> organ systems
-> organs -> tissue -> cells
Integumentary system organs
skin, hair, nails, exocrine glands (sweat, oil, milk, tear, secreting glands)
Integumentary system functions
protection, temp regulation, irritability, excretion, barrier, involved in immunity, synthesis of vitamin D
Skeletal system Organs
skeletal system function
protection, support, movement (acts as the rigid bar of lever), stores fat and minerals, hematopoiesis
Muscular System organs
muscles: skeletal, smooth, cardiac
muscular system function
movement (applies effort to rigid bar of lever), heat production of thermogenesis
Nervous system organs
brain, spinal cord, nerves
Nervous system function
provides homeostasis via electrical messages, able to sense, itegrates-interprets-and decides on response, responds
Endocrine system organs
pituitary, pineal, thyroid, parathyroid, thymus, adrenal
endocrine system function
provides homeostasis via chemical messages/hormones: growth, reproduction, H2O balance, electrolyte balance, energy balance, emergency maintenance, immunity
reproductive system organs
testes, epididymus, vas deferns, semenal vesicles, prostate, cowpers gland, penis
reproductive system organs
ovaries, fallopian tubes, uterus, vagina, external genitilia (vulva)
What is the function of the reproductive system?
Continuation of species
The Organs of the urinary system.
Kidneys, ureters, bladder, urethra
Function of the Urinary System
Excretion, filters blood, regulates: blood concentration, blood volume, blood pH, and blood pressure
Organs of the Cardiovascular system
Cardio: Heart
Vascular (Vessels): arteries, arterioles, metarterioles/capillaries, venules, veins
Function of the Cardiovascular system
pumps (heart) blood thru conduits (vessels) deliever nutrients & wastes to and from tissues
Organs of the lymphatic system
Lymph nodes, lymph vessels, tonsils, spleen, liver, thymus gland
Function of the lymphatic system
1st line of defense, removes excessive fluid from tissue, picks up leaked protein from blood tissue, picks up fats from GI tract and transports it to liver
Respiratory system organs
nose, pharynx, larynx, trachea, bronchi and bronchial tree, lungs
Digestive system organs
oral cavity, pharynx, esophagus, stomach, small intestine, large intestine, rectum, anus
Digestive system organs
teeth, tongue, salivary glands, pancreas, gallbladder, liver
fuction of digestive system
Ingestion, movement of food, digestion, absorption of nutrients, defecation
Definiton of Homeostasis
Function of Homeostasis
provides for optimum performance of the organs and organ systems
What has to be balanced?
blood chemistry, water, electrolyte, blood pressure, temperature, hormones, pH
What is the mode of homeostasis?
Feedback systems
What is the defenition of a feedback system?
watchdog system
What is the function of the feedback system?
provides a route by which the brain is alerted of body status and allows it to respond to that status
Components of a feedback system
Receptor, Control Center(Brain) and Effector
What is a receptor?
picks up stimulus(input) and sends info to brain via afferent(sensory) nerves
What does the control center do?
Interperts, integrates and decides on response(output) via efferent(motor) nevers info leaves brain and travels to effector
What is the purpose of the effector?
doer of action. performs activity assigned by brain
Types of feedback systems
Negative and Positive
What is a negative system
More common, always brings about homeostasis, Stimulatory-Inhibitory effect, output(response) counteracts or negates input(stimulus)
What is a postive system
Least common, can be destructive, Stimulatory-Stimulatory, output intensifies input
What is an example of each
Negative: lowers bp to normalcy; highers glucose to normalcy

Postive: Labor; clotting; disease
What is a stressor?
any circumstance that upsets normal body function
What are the types of stress?
Eustress: good stress: exercise

Distress: bad stress: temp change, pressure change, disease
What is the definition of disease?
andy disturbance in normal body structure or function and homeostatic imbalance brought on by disturbance
What are the classifications of disease?
Congenital(inherited), degenerative, inflammatory, metabolic(hormone imbalance), neoplasmic(cancer,growth)
What are the types of disease?
Local: area of body is affected

Systemic: several to many areas of body are affected
What is the definiton of diagnosis?
thorough or complete knowledge
What is the S.O.A.P. approach?
S-subjective informative
Family history, symptoms
O-objective information
Signs, physical exam: palpate, ausculate, percussion
Based on subjective and objective information
P-Plan of treatment
What is a sign?
measurable or observable
Examples of a sign
anemia, fever, rash, jaundice
What is a symptom?
not measurable or observable
Examples of a symptom
dizziness, nausea, pain, fatigue, malaise, aches