Science, asked by kishanyadav48, 10 months ago

what is systole and distole muskan ​

Answers

Answered by shreyaeya90015
0

Answer:

The heart is a pump that supplies all tissues and organs of the body with oxygen-rich blood. The heartbeat is caused by the heart muscles relaxing and contracting. During this cycle, the period of relaxation is called diastole and the period of contraction is called systole.

Answered by sristi200415
1

Explanation:

it is the system of blood supply in human beings

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