Question

5. Air pollutes due to
(a) green plants
(c) smoke from vehicles
(b) clean surroundings
(d) oxygen
B. Fill in the blanks with the help of words given in the box,
Liver
Brain
wind pipe
internal organs
Deep breathing
1. The organs that are visible to us are called
2.
keeps control on the working of other organs of body.
3
is the largest organ of our body.
4. The
act as a passage for air to pass from nose to lungs,
5
relaxes our mind and whole body.​

Answer 1

Answer:

5. smoke from vehicles

1. internal organs

2. brain

3. liver

4. wind pipe

5. deep breathing

Answer 2

Answer:

5)c)smoke from vehicles

1)external organs

2)Brain

Explanation:

option is wrong