exam stress?

------------------------------------------------------------------------------------------------------------

اعلان

1

Spot of Heath

Spot of Heath

Sunday, February 12, 2017

What causes cough?

What causes cough?                                                       Home A cough is an action the body takes to get rid of substances that are irritating to the air passages, which carry the air a person breathes in from the nose and mouth to the lungs. A cough is a reflex action to clear your airways of...