HUMAN NUTRITION

Detailed explanation-1: -The autonomic nervous system is the part of the nervous system that controls involuntary functions. For example, the autonomic nervous system controls heart rate, blood flow, and digestion. You don’t have to tell your heart to beat faster or to consciously squeeze muscles to push food through the digestive system.

Detailed explanation-2: -Peristalsis Function Peristalsis is a wave-like motion which brings about the movement of food and liquid through muscle contractions.

Detailed explanation-3: -The large, hollow organs of the digestive tract contain a layer of muscle that enables their walls to move. The movement of organ walls can propel food and liquid through the system and also can mix the contents within each organ. Food moves from one organ to the next through muscle action called peristalsis.