Question

Explain the process of digestion in stomach for
class 7. ​

Answer 1

Answer:

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Explanation:

• The processes of digestion include six activities: ingestion, propulsion, mechanical or physical digestion, chemical digestion, absorption, and defecation.
• The stomach secretes acid and enzymes that digest food.
• Ridges of muscle tissue called rugae line the stomach.
• The stomach muscles contract periodically, churning food to enhance digestion.

Answer 2

Answer:

Stomach secretes acid and digestive juices that kill the bacteria, if any, present in the food. Further, the digestive juices break the proteins, present in the food, into simpler substances, thereby digesting the food partially.