I guess if you want to do nurse in America u have to do lessons in English because that will improve your experience in working
Answer:
Sinus cavities allow for voice resonance
They help filter and add moisture to any air that is inhaled through the nasal passages and in the removal of unwanted particles from the sinus cavities.
Sinus cavities lighten the skull.
Explanation:
Sinus infection tooth pain occurs when the fluid that builds up in the sinus cavities during a sinus infection puts pressure on your upper teeth.