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Characteristics of atrioventricular valves
(1) passively are open and closed when ventricular pressure is grater than atrial pressure (2) tricuspid is on the right side (3) mitral or bicuspid valve is on the left side
characteristics of semilunar valves
(1) passively are closed and open when the ventricular pressure is grater than arterial pressure (2) pulmonary valve separates the right ventricle form the pulmonary trunk (3) aortic valve separates the left ventricle from the aorta
functions of fibrous pericardium
Protects heart, anchors heart to surrounding structures, Prevents overfilling with blood
serous pericardium- parietal layer
lines internal surface of fibrous pericardium, thin-slippery serous membrane. attaches to the large arteries at superior margin of heart
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