Most of the substances are those in gas form inhaled by the person. A classic example is nicotine for when you smoke cigarettes. The smoke also irritatates the system.
the respritory system rules !
Respritory
Pollutants in the air, inhaling smoke from cigarettes, etc are harmful to the respiratory system.
Lungs, heart and throat
Rice
oxiginating the blood (it makes you breathe)
failed you couldn't breath
Yes, if your respritory system failed you couldn't breath.
the respiratory system passes the air you breathe into the lungs for gas exchange .
Yes, the respiratory system provides oxygen to the digestive system.
Tuberculosis is a deadly disease of the respritory system that is slightly contagious.
i only know of two and they are the lung and trachea.