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प्रश्न
During ventricular systole, the atrioventricular valves (P) ______ and semilunar valves (Q) ______.
पर्याय
P - Close, Q - Open
P - Close, Q - Close
P - Open, Q - Close
P - Open, Q - Open
उत्तर
During ventricular systole, the atrioventricular valves (P) close and semilunar valves (Q) open.
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