Question

Column B
(a) Brain
C. Match the following:
Column A
1. Excretory system
2. Nervous system
(b) Lungs
3. Digestive system
(c) Kidneys
4. Respiratory system
(d) Muscles
5. Muscular system
(e) Food pipe
D. Answer the following questions in short:
1. How do our muscles help us?
2. What is digestion?
3. What is the role of kidneys in our body?
4. Write two ways of breathing correctly.
E. Answer the following questions in detail:
1. What are cells? Explain how do cells form an organ system?
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Answer 1

Answer:

mujhe kuch samajh mein nhi aa raha h

Answer 2

Can you explain your question