Biology, asked by khanayyub8559, 1 month ago

नेम द टू कंपोनेंट ऑफ द हार्ट बीट​

Answers

Answered by pratibha23pr
1

Answer:

There are two parts to each heartbeat:

the systole is when the heart contracts and pumps blood.

the diastole is when the heart relaxes, after contraction, so the chambers can refill with blood

Explanation:

There are two parts to each heartbeat:

the systole is when the heart contracts and pumps blood.

the diastole is when the heart relaxes, after contraction, so the chambers can refill with blood

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