MEDICAL
HEART AND PERICARDIUM
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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systole
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diastole
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resistance
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velocity
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Detailed explanation-1: -The period of contraction that the heart undergoes while it pumps blood into circulation is called systole. The period of relaxation that occurs as the chambers fill with blood is called diastole.
Detailed explanation-2: -Duration of Cardiac Cycle Atrial systole: continues for about 0.1 seconds. Ventricular systole: continues for about 0.3 seconds. Atrial diastole: continues for about 0.7 seconds. Ventricular diastole: continues for about 0.5 seconds.
Detailed explanation-3: -diastole, in the cardiac cycle, period of relaxation of the heart muscle, accompanied by the filling of the chambers with blood. Diastole is followed in the cardiac cycle by a period of contraction, or systole (q.v.), of the heart muscle.