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133 Cards in this Set
- Front
- Back
Name the organs and function of the Integumentary System |
Organs: skin Functions: forms external body covering Protects deep tissue from injury Helps regulate body temperature Largest organ system |
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Name the organs and function of the Skeletal System
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organs: Cartilage, joints, bones Functions: Protect and support organs Provides muscle attachment for movement site of blood cell formation store lipids and minerals
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Name the organs and function of the Muscular system |
Organs: skeletal muscle, smooth muscle, cardiac muscle Functions: produce movement, maintains posture, produces heat |
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Name the organs and function of the Nervous system |
Organs: Brain, sensory receptors, spinal cord, nerves Functions: fast-acting control system, respond to internal and external change, activates muscles and glands, the interface between the internal and external environment |
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Name the organs and function of the Endocrine System |
organs: pineal gland, pituitary gland, thyroid gland, parathyroid gland, thymus gland (only in infants), adrenal gland, prancreas, testis, overies function: Secrete regulatory hormones |
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Name the organs and function of the Cardiovascular system |
Organs: heart, blood vessels Functions: transport materials in the body via blood pumped by the heart (every cell in the body is near a capillary) |
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Name the organs and function of the Lymphatic system |
Organs: lymph nodes, lymphatic vessels Functions: returns fluid to blood vessels, cleanses the blood, involved in immunity |
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Name the organs and function of the respiratory system |
Organs: nasal cavity, larynx, trachea, bronchus lungs Functions: keeps blood supplied with oxygen (for the cells), removes carbon dioxide |
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Name the organs and function of the Digestive system |
Organs: oral cavity, esophagus, stomach, small intestine, large intestine, rectum, anus Functions: breaks down food, allows for nutrient absorption into the blood, eliminates indigestible material as feces |
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Name the organs and function of the Urinary system |
Organs: kidney, ureter, bladder, urethra Functions: excrete nitrogenous waste from the blood, maintains the acid-base balance, regulates the solvent vs solute balance in the blood (urine is not the main function) |
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Name the organs and function of the reproductive system |
Organs: gonads Functions: produce offspring |
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Name the steps for mechanism for Response of Homeostatic Imbalance |
1. Stimulus creates change 2. Receptor (sensory neurons) detect the change 3. Message (input) is sent along the afferent pathway to the control center 4. The control center (brain/spinal cord) receives the message (also referred to as the integrators) 5. The control center sends a message (output) along the efferent pathway to the effector (muscles/glands) 6. The effector responds therefore restoring homeostasis |
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The main function to provide energy |
Carbohydrates |
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What is the keystone molecule and an example of a monosaccharide? |
Glucose |
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How many sugar molecules are in oligosaccharides? give an example of one |
a few sucrose |
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What are polysaccharides? Give examples |
complex carbs, many glucose molecules bonded together starch, cellulose, glycogen(stored in muscles) |
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cellulose makes cell walls in what? |
Plants |
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What stores energy and is a cell membrane component? |
Lipids |
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Name 2 lipids with fatty acids |
Glycerides (fats, oils) phospholipids |
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Name a lipid with no fatty acids |
cholesterol (a precursor of vitamin d) |
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What is a protein? |
Amino acids linked together with peptide bonds, large, complex, and folded in 3d shapes |
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Name 4 amino acids |
Keratin, Collagen, enzyme, hemoglobin |
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Where is keratin found? |
hair and nails |
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Where is collagen found? |
bone and cartilage |
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What is an enzyme? |
increases the rate of reaction acts as a biological catalysts remain unchanged at the end of a reaction so it can be used again |
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What is a hemoglobin? |
Transports oxygen and carbon dioxide |
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What is a fibrous protein? |
tightly wound, stable, also know as structural proteins (collagen, keratin) |
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What is a globular protein? |
Functions as antibodies or enzymes, can be denatured (its activity can change), also know as functional proteins |
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What is a nucleic acid? |
5 carbon sugar, phosphate, and nitrogen containing base |
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Give 3 examples of Nucleic acids |
ATP, DNA, RNA |
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Define ATP |
adenosine triphosphate an energy molecule (the energy is held in the chemical bond) |
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Define and describe function of DNA and RNA |
deoxyribonucleic acid, ribonucleic acid storage, transmission, and translation of genetic material |
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Describe the process of photosynthesis |
6CO2 + 6H20 -(sunlight, chlorophyll)-->C6H12O6(glucose) + 6O2 (oxygen) + 6H20 |
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Weare _____ organisms (oxygen based) |
arobic |
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96% of our body is made from which 4 elements? |
Oxygen, carbon, hydrogen, nitrogen |
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What happens in synthesis reaction |
atoms or molecules combine (a+b = ab) |
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What happens in decomposition reaction |
molecule is broken down (ab= a+b) |
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define hydrolysis
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polymers are broken down into monomers through the addition of water molecules |
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What are the four organic molecules of life? |
Carbs, proteins, lipids, nucleic acids |
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Maintaining an equilibrium of the body is known as what? |
Homeostasis |
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Define metabolism |
All chemical reactions in your body |
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Define irritability |
Ability to react to stimulus sense and response to stimuli |
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What is the pigment molecule in the process of photosynthesis? |
chlorophyll |
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a pH of 6 would be considered what? |
acidic |
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a pH of 7 would be considered what? |
neutral |
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a pH higher than 7 would be considered what? |
Base (alkaline) |
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Name the functions of the skeletal system |
support, movement, protection |
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All of the following are nucleotides in DNA except ... Adenine, uracil, cytosine, guanine |
uracil (comes in with RNA) |
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"help, help I'm trapped and I can't get out" Which bone cell am I? |
osteocyte |
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what is the cell that is trapped in the lacuna of the bone matrix? |
Osteocytes (mature bone cell found in the lacuna) |
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What are the functions of Paranasal sinuses? |
Give resonance to voice Amplify voice Humidify air before it gets to the lungs |
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What is the bone cell that breaks down bone to release more calcium? |
Osteoclast |
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What does the canaliculi do? |
Connects everything to the central canal |
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Which cell junction prevents cells from being pulled apart? |
Desmosomes |
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Which organelle is considered to be the powerhouse of the cell? |
Mitochondria |
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What carry out protein synthesis in cells? |
Ribosomes |
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This is a type of diffusion strictly applied to water |
osmosis |
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True or false: passive transport requires ATP |
False |
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What is the basic structural and functional unit of living organisms? |
Cell |
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This membrane lines all body cavities that open to the exterior body surface |
Mucous membrane |
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Osteoporosis is a bone thinning disease where ______ are more active |
Osteoclasts |
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What is part of the axial skeleton? |
Skull Vertebra column Bony Thorax (ribs) |
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At what age does a baby's bones fuse together? |
3 |
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What is the study of the structure and shape of the body and its parts? |
Anatomy |
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What process requires ATP? |
Sodium- Potassium Pump |
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How many chromosomes are in gametes (sex cells)? |
23 |
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How many bones are in the human body? |
VARIABLE (206) |
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What serous membrane touches the organ? |
Visceral |
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A mature bone cell is called what? |
Osteocyte |
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Where does transcription occur? |
The Nucleus |
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Where would you find intracellular fluid? |
Inside of a cell |
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What does exocytosis do? |
Remove substances from inside the cell |
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What does endocytosis do? |
Englf material to bring inside the cell "cell drinking" |
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What is the connective tissue layer that encases the outside of the diaphysis of a long bone? |
Periosteum |
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What does mRNA do? |
Takes protein building instruction from the DNA in the nucleus to the cytoplasm |
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What does tRNA do? |
Brings codeons to ribosomes that were specificied by mRNA |
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What does rRNA do? |
(ribosomal)- where amino acids are assembled |
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What is the study of how the body and body parts work/function? |
Physiology |
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What is the smallest living functional unit of an organism? |
Tissue |
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Which system provides the external body covering? |
Integumentary |
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Which system excretes nitrogenous waste, mainttains acid-base balance, and regulates water and electrolytes? |
Urinary |
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How many chromosomes are found in all other body cells except for the gametes? |
46 |
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Growth means increase in what? |
cell size and cell number |
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A disturbance of homeostasis resulting in disease is called what? |
Homeostatic imbalance |
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During the maintenance of homeostasis input is sent to the control center along the _____ pathway |
Afferent |
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Which feedback machanism to maintain homeostasis works to shut off or reduce the intensity of the stimulus? "thermostat" that brings the body back to normal range |
Negative feedback |
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Red marrow makes what? Where is it found? |
Red blood cells In the epiphysis in the spongy bone |
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A _____ section would divide my body into anterior and posterior parts |
Frontal |
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What name refers to a paranasal sinus? |
Palatine |
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What covers the yellow marrow in a long bone? |
Endosteum |
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The directional term referring to a part of the body being close to the point of attachment to the body trunk is what? |
Proximal |
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Which body cavity contains the heart and lungs? |
Dorsal cavity |
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Which process is an example of active transport? |
Solute pumping |
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Which area of the cell does translation occur? |
Cytoplasm |
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Where is interstitial fluid found? |
In between cells |
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How many cervical vertebrae are there? |
7 |
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What comes first in protein synthesis? |
Transcription |
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Hydrolysis is the process of ...? |
Adding water to take apart a molecule |
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Bones grow in length at the ...? |
Epiphyseal Plate |
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Osteoclasts do what? |
Destroy bone |
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Bone remodeling is a cycle of..? |
Deposits and withdrawals |
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What bone cell is found in the lacuna? |
Osteocyte |
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In embryos the skeleton system is composed of mainly...? |
Hyaline Cartilage |
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An abnormal lateral spinal curvature is known as what? |
Scoliosis |
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Name 5 paranasal sinuses |
Palatine, ethmoid, maxillary, sphenoid, frontal |
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The longest and strongest bone in your body is the...? |
femur |
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We are _____ based organisms |
Carbon |
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What does it men when the cell membrane is selectively permeable? |
Only allows specific molecules to go in and out |
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What is the function of the golgi apparatus? |
Modify and package proteins |
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What is the solvent for the human body? |
Water |
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Which process of membrane transport does not require ATP? |
Osmosis |
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Mitosis results in |
Two identical daughter cells |
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What is the process called when a vesicle that gets pinched off from the golgi body empties its contents into the interstitial fluid? |
Exocytosis (exits) (active transport) |
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What is the protein that you find in bone? |
Collagen |
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Melanocytes (differ or are the same) from person to person |
The same |
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Which pigment gives a yellow/orange tint |
Carotene |
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This is a type of endocytosis that refers to "cell eating" |
Phagocytosis |
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True or false all cells perform the same function |
False |
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Gap Junctions allow what? |
Cells to communicate |
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What does the rough endoplasmic Reticulum do? |
Modifies proteins |
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______ has their own DNA therefore they can divide themselves |
Mitochondria |
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What is the difference between a solute and solvents? |
Solutes dissolved in liquid Solutes dissolve in solvent |
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Diffusion refers too what? |
Particles going from high to low concentration |
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What is the purpose of facilitated diffusion? |
Transport lipid-insoluble large substances |
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What do tRNA transfer? |
amino acids and acode to the ribosome for the protein |
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What stage of mitosis is DNA duplicated and the cells is prepared for the division? |
Interphase |
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An example of a cutaneous membrane is the |
Skin |
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What is the serous membrane referring to the abdominal cavity? |
Peritoneum |
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Which organ system return fluids to the blood vessels, cleans the blood, and provide immunity? |
Lymphatic |
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Mitochondria can make how many ATP molecules per one glucose molecule |
36-38 |
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What senses and sends message along the afferent pathway to the control center when maintaining homeostasis |
Receptor |
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What would you find in a central canal of an osteon? |
Arteries Veins Nerves Lymphatic vessels |
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Spongy bone is found in the _____of the long bone and helps absorb shock |
Epiphysis |