नेम द टू कंपोनेंट ऑफ द हार्ट बीट
Answers
Answered by
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
Similar questions