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प्रश्न
What is the significance of time gap in the passage of action potential from sino-atrial node to the ventricle?
उत्तर
The time gap in the passage of action potential from the SA node to the ventricle allows relaxation in the ventricles. This causes ventricular pressure to fall leading to the closure of semilunar valves which prevents the backflow of blood into the ventricles.
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संबंधित प्रश्न
Write the differences between:
Systole and Diastole
Define a cardiac cycle.
Define a cardiac output.
Explain the heart sounds.
Which one of the following animals has two separate circulatory pathways?
In a cardiac output of 5250 ml per minute, with 75 heartbeats per minute, the stroke volume is ______.
Duration of cardiac cycle is ______.
The second heart sound (dubb) is associated with the closure of ______.
What would be the cardiac output of a person having 72 heart beats per minute and a stroke volume of 50 ml?
Define the following terms and give their location?
Bundle of His
