The semi-digested food that moves down the oesophagus is known as _.
Correct answer: A. Bolus
- A. Bolus
- B. Chyme
- C. Both bolus and chyme
- D. Protein
Explanation
Bolus: The bolus refers to the ball-like mass of food that is formed in the mouth after chewing and mixing with saliva. It is the initial stage of digestion before it moves down the esophagus.
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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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