Question

give one word for the following:-
1) The rhythmic expansion and contraction of the heart.
Ans -

2) An organ which controls blood circulation in our body.
Ans- ​

Answer 1

Answer:

1) Cardiac cycle is the rhythmic expansion and contraction of the heart.

2) Heart an organ which controls blood circulation in our body.

Explanation:

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Answer 2

Answer:

1) the rhythmic expansion and contraction of the heart.

ANS - heartbeat

2) an organ which controls blood circulation in our body.

ANS - heart

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