The nasal cavity refers to the interior of the nose, while mucous is produced by sinuses and then moves into the nasal cavity where it is pushed back to the back of the nose and then swallowed. The function of the mucus is to trap impurities in the air and to keep the skin inside the nose moist and healthy. Removing oxygen from inhaled air is not a function of mucus in the nasal cavity.
Well it may help reduce energy but energy drinks are really bad since it has so much caffeine and sugar. Drinking too much can cause heart attacks, diabetes, and addiction.
