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प्रश्न
Explain the following event of cardiac cycle with respect to type of valves and duration:
atrial systole
स्पष्ट कीजिए
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उत्तर
- Type of Valves: During atrial systole, the atrioventricular (AV) valves (mitral and tricuspid) are open, allowing blood to flow from the atria into the ventricles. The semilunar valves (aortic and pulmonary) remain closed.
- Duration: Atrial systole lasts about 0.1 seconds.
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