The period during which a heart chamber is relaxing is called ____. The period d

Question

The period during which a heart chamber is relaxing is called ____. The period during which a heart chamber is relaxing is called _____. During ventricular contraction, the AV valves (tricuspid and mitral valves) are ______. During ventricular relaxation, the Av valves are ______. The pulmonary and aortic valves open when the pressure in the _____ exceeds the pressure in the pulmonary trunk and aorta. The first sound of a cardiac cycle occurs when the _____ are closing. The second sound of a cardiac cycle occurs when the ____ are closing. The sound created when blood leaks back through an incompletely closed valve is called a ______.

Explanation / Answer

(1)The period during which a heart chamber is contracting is called: Systole

(2) Diastole

(3)Closed

(4) open

(5)ventricles

the pulmonary and arotic valves open, when the pressure in the ventricles exceeds the pressure in the pulmonary trunk and aorta.

(6)When the AV valves are closing.

(7) When the semilunar valves are closing.

(8) A Murmer

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