Normal activities of the human heart are regulated:1. Intrinsically 2. By the autonomic nervous system 3. By the brain stem 4. By the diencephalon.

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Please refer the solution below for the said query

The correct option is 1.

Normal activities of the human heart are regulated intrinsically.
The normal activity of heart involves cardiac cycle. It is regulated automatically by the nodal tissues i.e sinoatrial node (SA node) and atrioventricular node (AV node) present within the heart.



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