circulatory system
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Cardiovascular system | collection of organs including blood,heart, and blood vessels
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| primary function of circulatory system? | transport materials to and from your body's cells
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| heart | organ that pumps blood throughout the body
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| how many chambers does the heart have? | 4 - 2 atria and 2 ventricles
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| atria | upper chambers of the heart
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| ventricles | lower chambers of the heart
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| septum | wall between the 2 atria and the 2 ventricles
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| what are one-way valves for? | to prevent backflow of blood
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| arteries | move blood away from heart
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| pulmonary artery | sends blood to lungs
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| aorta | largest artery in body
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| veins | carry blood back to heart
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| superior vena cava | returns deoxygenated blood to heart from head and neck
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| inferior vena cava | returns deoxygenated blood from abdomen and lower body to the heart
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| pulmonary vein | returns oxygenated blood from lungs
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| capillaries | smallest blood vessels where nutrients and wastes are exchanged between blood and cells
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| how thick are capillaries? | 1 cell thick
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Created by:
moniqueasleson
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