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A cardiac cycle describes

One relaxation of the both the atria and ventricles
The way the blood cycles through the body
O All the activities of the heart through one complete
heartbeat
O One contraction of the heart

User Aparna
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1 Answer

2 votes

Answer:

All the activities of the heart through one complete heartbeat

Step-by-step explanation:

Hope this helps

User Marcel Cozma
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