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If the duration of the atrial ‘systole is 0.1 second and that of complete diastole is 0.4 second, then how does one cardiac cycle complete in 0.8 second? |
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Answer» 1. The time duration required to complete one cardiac cycle is 0.8 second. 2. Cardiac cycle is divided into three important phases, viz, atrial systole, ventricular systole and joint diastole. 3. Atrial systole in normal condition lasts for 0.1 second, ventricular systole follows atrial systole and lasts for 0.3 second whereas joint diastole or complete diastole lasts for about 0.4 second. 4. In this way one cardiac cycle is completed in 0.8 second. |
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