Rishi got curious and wanted to know that how does our heart beat with the help of muscles? So he started reading his biology book and got an interesting answer. Which of the below answers could it possibly be?

Heart muscles bring about the contraction and relaxation that is beating of the heart.

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Cardiac muscles bring about the contraction and relaxation that is beating of the heart.

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Skeletal muscles bring about the contraction and relaxation that is beating of the heart.

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Both (a) and (b)

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Solution

The correct option is D Both (a) and (b)
Heart or cardiac muscles bring about the contraction and relaxation (beating) of the heart. Their movement is involuntary. Cardiac muscles causes our heart to relax and contract.

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Rishi got curious and wanted to know that how does our heart beat with the help of muscles? So he started reading his biology book and got an interesting answer. Which of the below answers could it possibly be?

The correct option is D Both (a) and (b)Heart or cardiac muscles bring about the contraction and relaxation (beating) of the heart. Their movement is involuntary. Cardiac muscles causes our heart to relax and contract.

The correct option is D Both (a) and (b)
Heart or cardiac muscles bring about the contraction and relaxation (beating) of the heart. Their movement is involuntary. Cardiac muscles causes our heart to relax and contract.