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Pulmonary valves

pulmonary valve

(Science: anatomy, cardiology) The heart valve that divides the right ventricle and the pulmonary artery. The pulmonic valve opens when the right ventricle contracts allowing blood to flow into the pulmonary artery. The pulmonic valve on closure prohibits the backwash of unoxygenated blood into the right ventricle. The pulmonic valve has 3 valve cusps.

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I'm not sure of my answer and pls help and explain

... ventricular contraction is equal to the amount of blood in the pulmonary trunk and aorta D. The pressure in the ventricles during isovolumic ... aorta relaxes C. The semi lunar valaves open D. The atrioventricular valves open

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by mslazy
Mon Nov 15, 2010 5:12 am
Forum: General Discussion
Topic: I'm not sure of my answer and pls help and explain
Replies: 1
Views: 5695

Please Help - The Heart

... division slows heart rate 6. Cardiac Sounds “Lub” as the AV valves close, “dup” as the semilunar valves close 7. Cardiac Output Heart ... stage of the myocardium that the heart pumps blood into systemic and pulmonary circulation 11. Diastole the time during each cardiac cycle that ...

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by PleaseHelp
Sun Feb 21, 2010 10:03 pm
Forum: General Discussion
Topic: Please Help - The Heart
Replies: 5
Views: 7570

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