| (i) Size of our chest increases. |
| (ii) Size of our chest decreases. |
| (iii) Carbon dioxide is removed from our body |
| (iv) Air enters our lungs. |
A) (i) and (iii) are correct
B) (i) and (iv) are correct
C) (ii) and (iii) are correct
D) (ii) and (iv) are correct
Correct Answer: B
Solution :
When we breathe in air. Air enters lungs and there is an increase in the size of the chest.
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