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Heart Unit Review

Key Concepts:

Terms in this set (25)

largest artery in the body;delivers oxygenated blood

largest vein in body; takes deoxygenated blood to right atrium

aortic semilunar

valve regulating blood flow into aorta from left ventricle

pulmonary semilunar

valve that regulates blood flow into pulmonary artery from the right ventricle

AV flap-like valve that prevents backflow into right atrium

discharging cavity or chamber in the lower heart

upper, receiving chamber in the heart

muscular wall that separates the right and left ventricles

chordae tendinae

heart strings that open and close the cuspid valves

coronary artery

blood vessels directly on the heart muscle; they feed the muscle

pulmonary artery

blood vessel that carries deoxygenated blood to the lungs

blood vessel that carries oxygenated blood from the lungs to the left atrium

blood vessel type that carries oxygenated, high pressure blood away from the heart

blood vessel type that carries deoxygenated, low pressure blood back to the heart

artery similar to I-275 or I-75

microscopic blood vessel serving for the site of chemical exchange with surrounding cells

hill-like muscles inside ventricles that when they contract the chordea tendinae are moved

red blood cells

blood cells containing hemoglobin to transport oxygen; similar to cars on roads

systemic circuit

blood vessels that carry blood to all body systems except the lungs

pulmonary circuit

blood vessels that carry blood back and forth from the heart and lungs

What blood vessels do when you are exercising

a small almost microscopic artery

myocardium/cardiac

What is the name of the heart muscle tissue?

coronary bypass

surgery where a leg blood vessel is used to deliver the blood around a blocked coronary

the amount of force blood puts on the walls of the blood vessels

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