Question

10. What happens when we breathe in?
(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) (i) and (iii) are correct
d) (ii) and (iv) are correct​

Answer 1

Answer:

b part is the answer of this question

Answer 2

Answer:

when we breathein

• Size of our chest decreases.
• Air enters our lungs

d) (ii) and (iv) are correct.