The correct option is inherited. Autonomic nervous system reactivity in humans appears to be _<u>Inherited</u>___.
<h3>Explanation:</h3>
There are two types of nervous systems:
Sympathetic nervous system
Autonomic nervous system.
Sympathetic nervous system prepares the body for the emergency conditions an somehow it is under the conscious control while autonomic nervous system controls the body unconscious like breathing and heart beat rates.
So the autonomic nervous system is inherited not learned.