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Explain the role of mucus secreted by the stomach.
Answer:
The mucus protects the lining of the stomach from the action of hydrochloric acid secreted by glands in the stomach lining.
Mention the position of the rumen in ruminants.
Answer:
The rumen is the sac-like structure which is present between small intestine and large intestine in ruminants. It stores swallowed grass in the form of cud.
Name the simple forms of carbohydrates, fats and proteins.
Answer:
The food components and their simple forms are:
- Carbohydrates - Glucose
- Fats - Fatty acids and Glycerol
- Proteins - Amino acids
What is the organ of the digestive system where digestive juices from the liver and pancreas are poured?
Answer:
Digestive juices from liver and pancreas are poured into the small intestine which helps in complete digestion and absorption of food.
