Question

How does carbon monoxide affect a smoker's blood?

A). It reduces the blood’s ability to transport oxygen.

B). It reduces the number of red cells in the blood.

C). It increases the amount of oxygen in the blood.

D). It increases the amount of hemoglobin in the blood.

Answer 1

A. It reduces the bloods ability to transport oxygen.

Answer 2

The answer is B. Hope this help. Also could be wrong