Which of the following region in alimentary cannal produces no enzyme?
Correct answer: A. Oesophagus
- A. Oesophagus
- B. Duodenum
- C. Stomach
- D. Jejunum
Explanation
Oesophagus is a muscular tubular part which starts peristalsis in alimentary cannals and secretes no enzyme.
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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.
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