In mammals, the digestion of starch starts from the _.
Correct answer: A. Mouth
- A. Mouth
- B. Stomach
- C. Esophagus
- D. Duodenum
Explanation
Mouth: In mammals, the digestion of starch begins in the mouth. The process starts with the mechanical breakdown of food through chewing, and saliva is released from the salivary glands. Saliva contains an enzyme called amylase, which begins breaking down starch into simpler sugars (such as maltose).
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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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