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प्रश्न
Name the two valves that open during this phase.
उत्तर
The opening of the vena cava and pulmonary vein close, and the blood enters the ventricles by crossing through the tricuspid and bicuspid valves.
The semilunar valves at the roots of the pulmonary artery and aorta are closed producing the sound "DUBB" to prevent the backflow of blood into ventricles.
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संबंधित प्रश्न
Long answer question:
If the duration of the atrial systole is 0.1 sec and that of complete diastole is 0.4 sec, then how does one cardiac cycle complete in 0.8 sec?
Draw diagrammatic representation of cardiac cycle. Explain ventricular systole.
In cardiac cycle for how Long atrial systole lasts?
The longest phase of cardiac cycle is ____________.
The ventricular diastole has 0 duration of seconds.
What is the contraction phase of auricles called?
In which one of the following pair, the two items mean one and the same thing?
Give reason:
The wall of left ventricle is thicker than right ventricle
What are the time durations for each of the following events in cardiac cycle?
- Atrial systole
- Atrial diastole
- Ventricular systole
- Ventricular diastole
During ventricular systole, the atrioventricular valves (P) ______ and semilunar valves (Q) ______.
