Assertion (A): The human heart is myogenic.
Reason (R): It beats rhythmically due to signals from the brain.

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Team JKExamLibrary · Accepted Answer

The heart is myogenic because the heartbeat originates in the SA node within the heart itself, not from brain signals. The brain can modulate the rate but not initiate. Thus, A is true, but R is false.

Assertion (A): The human heart is myogenic. Reason (R): It beats rhythmically due to signals from the brain. MCQ with Answer and Explanation

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