NURSING ANM AND GNM

Detailed explanation-1: -Peristalsis is a series of wave-like muscle contractions that move food through the digestive tract. It starts in the esophagus where strong wave-like motions of the smooth muscle move balls of swallowed food to the stomach.

Detailed explanation-2: -The muscle movements of peristalsis are often described as wave-like because they contract and relax in a continuous pattern to move food forward. They involve both the circular muscles that ring the tubes of your digestive tract and also longitudinal muscles that span the walls of the tubes.

Detailed explanation-3: -Peristalsis involves the sequential contraction of adjacent rings of smooth muscle in the aboral direction, followed by relaxation of these rings of muscle, causing a wave of contraction that propels the chyme towards the colon (Fig.