how is cough formed in our body?????
Cough is an involuntary action by brain to remove the blockage in the air passage. Basically cough is of two types: dry cough and chesty cough. Chesty cough is mainly the mucous which contains trapped germs, particulate matter, etc. Cough is a symptom, when a person is suffering from respiratory tract infections such as cold, pneumonia.
@Nikhil a9:- Good answer, keep posting!!