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Heart Unit Review

Terms in this set (25)

aorta
largest artery in the body;delivers oxygenated blood
vena cava
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
tricuspid
AV flap-like valve that prevents backflow into right atrium
ventricle
discharging cavity or chamber in the lower heart
atrium
upper, receiving chamber in the heart
septum
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
pulmonary vein
blood vessel that carries oxygenated blood from the lungs to the left atrium
artery
blood vessel type that carries oxygenated, high pressure blood away from the heart
vein
blood vessel type that carries deoxygenated, low pressure blood back to the heart
aorta
artery similar to I-275 or I-75
capillary
microscopic blood vessel serving for the site of chemical exchange with surrounding cells
papillary
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
dialation
What blood vessels do when you are exercising
arteriole
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
blood pressure
the amount of force blood puts on the walls of the blood vessels
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