[Solved] Nodal Activity of the Heart May Be Influenced or Modified

Question 59
Multiple Choice

Nodal activity of the heart may be influenced or modified by

A)either the SA node or the AV node, but no other system.
B)the autonomic nervous system.
C)the somatomotor cortex.
D)hormones secreted by the lungs.
E)enzymes released from the kidney.

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