Question

12. How does oxygen in the air get into the blood?

A through the nose b, through the throat
c. through mouth
d. through the tiny capillaries.
13. What will happen to the cells of the body when there is absence of oxygen?
A. The cells will continue to grow and multiply
b. The cells will be inactive
c. The cells will survive
d. The cells will survive​

Answer 1

12.d

13. b

if we don't get oxygen if will literally strangle our cells