Question

You are walking after dark. A sudden noise frightens you. Your heart pounds, your pulse races, and your breathing rate increases. These responses are due to your _____

Answer 1

Answer is sympathetic nervous system.

Step-by-step explanation:

Sympathetic nervous system is considered or known to be part of the autonomic nervous system. The other part is parasympathetic nervous system.

The sympathetic nervous system , which originates from the spinal cord , responds to reflex or unconscious actions by accelerating or increasing heart rate and blood pressure.

The responds of the sympathetic nervous system is termed as fight-flight response. This means that, the nervous system triggers the body to respond to event by fighting or running.

It regulates reflex actions.