Biology

Delhi University

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digestion system
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7

March 2022

2021/2022
1. Name the major components of our food. Ans: The major components of our food are carbohydrates proteins and fats. 2. Why do we need food? Ans: Food provides energy and organic materials for growth and repair of tissues. 3. What is the role played by water in our body ? Ans: We should take in water as it is essential for metabolism and also prevents the body from dehydration. 4. Define the term Digestion. Ans: The process of conversion of complex food substances to simple absor...
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