The function of the heart muscles is:

Rhythmic contraction and relaxation of the heart

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To transport waste materials

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To transport oxygen

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To fight against diseases

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Solution

The correct option is A
Rhythmic contraction and relaxation of the heart

The function of the heart muscles is the rhythmic contraction and relaxation of the heart.

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Similar questions

The rhythmic contraction and relaxation of heart muscles is known as ________.

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