You breathe in something bad for you, like pollen for example, and your lymph nodes in the back of your mouth catch it, to keep the rest of your body from getting infected
The lungs provide the body with an outlet to rid itself of toxins, the most common being carbon dioxide. However, alcohol is partially removed this way, hence the ability to detect one's BAC (blood...
Someone who smokes marijuana regularly may have many of the same respiratory problems that tobacco smokers have. These individuals may have daily cough and phlegm, symptoms of chronic bronchitis, and...
The definition of Asthma; a disease of the respiratory system, sometimes caused by allergies, with symptoms including coughing, sudden difficulty in breathing, and a tight feeling in the chest...