Biology, asked by Anonymous, 9 months ago

Normal activities of heart are regulated by_______

Answers

Answered by Anonymous
2

Answer:

Normal activities of heart are regulated by modified cardiac muscles

Answered by Anonymous
2

Explanation:

The cardiac cycle is a normal activity of the human heart and is regulated automatically by the nodal tissues- sinoatrial node (SA node) and atrioventricular node (AV node). The variation in the cardiac cycle results in increase or decrease of the cardiac output.

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