In the digestive system, "peristalsis" is ________.

Question

Quizplus · Accepted Answer

Peristalsis refers to the rhythmic, coordinated contractions of smooth muscle in the digestive tract that propel food and liquids along. It is particularly important in the oesophagus to move food from the mouth to the stomach. A is incorrect as fat emulsification takes place in the small intestine through the action of bile. B is incorrect as the rectal sphincters are under both voluntary and involuntary control, and C is incorrect as the hepatic portal vessel carries blood from the digestive organs to the liver, not nutrients themselves.

In the Digestive System, "Peristalsis" Is ________