Question

How does carbon monoxide affect a smoker’s blood? It reduces the blood’s ability to transport oxygen. It reduces the number of red blood cells in the blood. It increases the amount of hemoglobin in the blood. It increases the amount of oxygen in the blood.

Answer 1

It reduces the blood’s ability to transport oxygen.

Step-by-step explanation:

Answer 2

It reduces the blood’s ability to transport oxygen. This is because CO binds to the hemoglobin much better than oxygen, thus reducing the amount of hemoglobin available to transport oxygen