The swab test, which involves taking a mucus sample from the nasal cavity, can distinguish between swine flu (H1N1), A and B strains of the virus.
The drink may chill the air in your sinuses and cause the blood vessels in the nasal cavity near your forehead to constrict, creating pain similar to a migraine.
In their search for relief, many sinus sufferers have turned to nasal saline irrigation, a therapy that USES a salt and water solution to flush out the nasal cavity.
In the nose, cilia help to drain mucus from the nasal cavity down to the throat.
国文精选馆
