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1020 Unit 7
Unit 7
20
Biology
Undergraduate 1
04/06/2009

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Term
angina
Definition
chest pain due to lack of blood-flow
Term
angioplasty
Definition
ballon-like devices which are inserted into the blood vessels, pushes plaque against the wall and open the vessel
Term
aorta
Definition
principle artery of the systematic curcuit coming out of the heart
Term
ateries
Definition
blood vessels that transport blood away from the heart
Term
atrium
Definition
chamber in heart that receives blood from veins
Term
capillaries
Definition
tiny blood vessels that penetrare all tissues and deliver food and oxygen directly to cells
Term
cardiac output
Definition
volume of blood pumped by the left ventricle per minute
Term
coronary artery
Definition
blood vessel that delivers blood to the heart muscle
Term
coronary graft
Definition
a surgical procedure in which a blood vessel is grafted onto arteries serving the heart to by-pass a blockage
Term
double circulation
Definition
system of blood flow in which de-oxygenated and oxygenated blood are kept seperate
Term
heart attack
Definition
event in which heart stops due to inadequate blood flow to the heart muscle usually due to blockage in coronary arteries
Term
plaque
Definition
accumulation of material on inner surfaces of blood vessels
Term
pulmonary artery
Definition
blood vessel that carries blood from the heart to lungs
Term
pulmonary circuit
Definition
path of blood from the heart, to the lungs, and back to the heart
Term
pulmonary vein
Definition
blood vessel that carries blood from the lungs back to the heart
Term
stroke volume
Definition
volume of blood pumped by left ventricle per beat
Term
systematic circuit
Definition
path of blood from the heart, to all parts of the body (except lungs) and back to the heart
Term
veins
Definition
blood vessels that transport blood to the heart
Term
vena cava
Definition
major vein returning blood to the right atrium
Term
ventricle
Definition
chamber in the heart with thick muscular walls to pump blood out of the heart
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