16.Sympathetic nervous system increase: A. Heart beat B. Secretion of saliva C. Secretion of digestive juice D. All of the above
Option A The sympathetic nervous system is one of two main divisions of the autonomic nervous system. The sympathetic nervous system's primary process is to stimulate the body's fight-or-flight response. The sympathetic nervous system increases heart rate, respiration, and perspiration to prepare our body for 'fight or flight
