Answer: the effect of a natural disaster on a population
C. He could suffocate from lack of oxygen in his blood.
Given the statement that hemoglobin (used to transport oxygen throughout our body) is more attracted to carbon monoxide, it is highly likely that most, if not all, the hemoglobin in a human body will be bound to carbon monoxide instead of oxygen when a person inhales too much carbon monoxide. This results in a lack of hemoglobin carrying oxygen to the cells of the body. Oxygen deficiency occurs.
I'm pretty sure its A bit of not its D, sorry but its kinda hard to tell :/
If you want what it does it protects the cells from its surroundings, It's made of embedded proteins I believe. Hope that helped please answer my question.
I'd go with A, if I were you.
