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A & P Cardiovascular

Cardiovascular Dynamics

QuestionAnswer
diastole relaxation of the heart
systole contraction of the heart
end diastolic volume the volume in the ventricles at the end of diastole, just befor cardiac contraction
stroke volume the volume ejected by a single ventricular contraction
end systolic volume the volume remaining in teh ventricle after contraction
cardiac output the amount of blood the heart is able to pump per minute, hr X sv
blood flow the amount of blood moving through a body area of the entire cardiovascular system in a given amount of time.
vasoconstriction contraction of smooth muscle of the blood vessel
vasodilation relaxation of smooth muscle of the blood vessel
laminar flow free flowing blood in the middle of the vessel
pressue gradient the flow rate of a blood through a vein is directly proportionatal to the difference between the pressures at teh two ends of the vein.
preload the degree to which the ventricles are stretched by the end diastolic volume
contractility strength of the cardiac muscle contraction.
afterload the back pressure generated by the blood in the aorta and the pulmonary trunk.
atherosclerosis plaques in the arteries
Created by: kor123
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