Biology
Delhi University
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College aantekeningen
digestion system
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---7maart 20222021/2022
- 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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