Why is carbon monoxide such as dangerous form of indoor air pollution?

Carbon monoxide is as dangerous form of indoor pollution because it can be deadly.

Your red blood cells in the blood stream have a larger attraction for carbon monoxide that they do for oxygen. This means that you can breathe carbon monoxide It is dangerous, because it decreases the amount of oxygen. fine, but later on, it will eventually kill you. The reason it is so dangerous is because people may be breathing without knowing they are, and once they start. breathing it, then there is no escape.

Do you understand?