Moderate

Food enters from stomach into small intestine through:

Correct answer: A. Pyloric sphincter

  • A. Pyloric sphincter
  • B. Semilunar valve
  • C. Cardiac sphincter
  • D. Diaphragm

Explanation

The pyloric sphineter is a small piece of smooth visceral muscle the acts as a valve and regulates the flow of partially digested food from the stomach to the duodenum.

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About Digestion

The human digestive system covers the organs from mouth to anus, the movement of food, and the mechanical and chemical breakdown of carbohydrates, proteins and fats. It also includes the roles of digestive enzymes, bile, absorption through intestinal villi, and the assimilation of nutrients by body cells.

Practise Digestion

680 free Digestion MCQs from Biology, each with the correct answer and an explanation. Unlimited attempts, no account needed.

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