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 is sympathetic nervous system.

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.

clumped distribution, because you'de have all of the population gathered in a relatively small are.

it's the most common because it provides protection and a mate for reproduction

example: humans, seeweed, cattles, etc.

earthquakes in florida are rare because the state is not located near any tectonic plates. in fact, florida is tied for first place as having the fewest earthquakes of any state. much of florida is limestone and seafloor materials that is not conducive to earthquakes.

explanation: