as air enters through the nose the minute dust particles stick to the hair inside the nose. then air enters the wind pipe . as it travels down the wind pipe the oxygen present is absorbed by the lungs which in turn sends the purified air to the heart. the impure air or the co2 is sent back.
your nose
The nose.
Oxygen enters your nose,then goes through the trachea,to the bronchi,and last to your lungs.
After the mouth (or nose), oxygen (as part of the air) goes down your trachea, into the bronchi, and through the bronchioli, into the alveoli, where it enters the blood and gets taken via the blood to the various parts of your body.
through nose lol
Air enters the the respiratory tract through either the nose or mouth.
your nose
Oxygen enters through the nose but is involved with the Respiratory System.
mucous and nose hair.
Through your nose and mouth.
mucous and nose hair.
yes i does because you breath through your nose and mouth
Through your mouth and nose
Lungs
Through nose.
trachea
mouth and nose