HUMAN NUTRITION

NUTRITION

DIGESTIVE SYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The process of peristalsis is best described as the
A
loss of water from vascular plants
B
release of acid into the stomach
C
chemical breakdown of food in the small intestine
D
muscular contractions of the gastrointestinal tract
Explanation: 

Detailed explanation-1: -Peristalsis is the automatic wave-like movement of the muscles that line your gastrointestinal tract. Peristalsis moves food through your digestive system, beginning in your throat when you swallow and continuing through your esophagus, stomach and intestines while you digest.

Detailed explanation-2: -Gastrointestinal peristalsis involves the pharynx, esophagus, stomach, small intestine, large intestine, and rectum. The peristaltic movement of smooth muscle may also be found elsewhere throughout the body, including within the ureters, vas deferens, bile ducts, and glandular ducts.

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