In earthworm, mucin & enzyme are produced by:
Correct answer: D. Pharyngeal mass
- A. Intestinal sac
- B. Typhlosole
- C. Oesophagus
- D. Pharyngeal mass
Explanation
The pharyngeal gland is made of chromophil cells, which produce saliva containing the proteolytic enzyme; protease, and mucin which convert a protein into amino acids and make the food soft respectively.
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About Human Digestive System
The human digestive system breaks food into absorbable molecules through mechanical processing, enzyme action and chemical conditions along the alimentary canal. Questions cover the mouth, stomach, small and large intestines, liver, pancreas and associated secretions, including the digestion and absorption of carbohydrates, proteins, lipids, vitamins, minerals and water.
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