Aperson is walking through a park a branch from a tree falls nearly hitting her her heartbeat speeds up which part of the nervous system was responsible for this ? ?
a. parasomatic
b. sympathetic
c. somatic
d. parasympathetic

A person who has almost been hit by a falling branch their sympathetic nervous system will be responsible for the heartbeat that speeds up. This may also cause the person decreased motility as they are experiencing a fright. The sympathetic nervous system controls a persons flight or fight response in the body. The correct answer is B.

Bhope this : )