Question

Write the events which take place during the auricular systole and ventricular diastole.

Answer 1

Answer:

D

is correct

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Explanation:

Answer 2

Explanation:

At the start of a cardiac cycle, all the four chambers of heart are in a relaxed state, i.e., they are in joint diastole. This causes the ventricular muscles to contract (ventricular systole), the atria undergoes relaxation (diastole), coinciding with the ventricular systole.

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