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Cardiovascular System

Across
The filliong pressure, the strecth of ventricular muscle fibers at end diastole that represent how much the ventricles have filled before contraction.
____ pressure is the maximum pressure in the arteries during ventricular contraction.
The inner layer of the heart wall.
A blood vessel that carries oxygenated blood away from the heart.
The volume of blood that is pumped by the left ventricle over one minute.
Also called the bicuspid valve that lies between the left atrium and left ventricle.
Nerve endings stimulated by pressure changes in the arteries, they work like pressure sensors. Located in the aortic arch and carotid sinuses.
______ discs allow electrical impulses to simultanously travel through cardiac cells.
____ valve is a semilunar valve that allows blood to leave the right ventricle into the pulmonary artery on contraction.
A chennel within the blood vessel that transports blood.
Semi-lunar vlave that opens the left venrticle to the aorta during contraction.
Down
The outer layer of the heart wall.
The cavity where the heart and trachea reside.
A blood vessel that carries deoxygenated blood back to the heart.
The pressure that the heart must pump against when it ejects blood into the aorta.
The capacity of a cell the initiate an impulse without external stimulus.
The amount of blood discharged from the left ventricle with each contraction.
A membranous structure that encloses the heart.
The thick middle layer of the heart wall that is mainly cardiac tissue.
The largest artery in the body, origonates from the left ventricle.
The upper chambers of the heart that recieve blood.
Large vein that returns blood to the heart, has a superior and inferior portion.
_____ pressure is the lowest pressure in the arteries during ventricular relaxation.
A wall-like structure thta seperates the right side of the heart from the left side of the heart.