Systale
and diastale
Answers
Answered by
1
Explanation:
- Systole is the contraction of heart in which they pump blood
- Diastole is relaxation of heart in which heart take blood from body
Answered by
0
Answer:
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.
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