THE NOSE AND OF COURSE THE MOUTH..................
Air can enter the body by the mouth or the nose. Air then goes down the windpipe to the lungs where it can enter the bloodstream.
Mouth and nose
To allow the air to enter the body. The air can enter through either the nose or through the mouth.
To allow the air to enter the body. The air can enter through either the nose or through the mouth.
Two air passages which allow air to enter the body are the cilia and aveoli !!!
As the diaphragm contracts, air enters the body through the nose and mouth.
it goes through the trachea/windpipe into your lungs and back out
through the mouth and the nose, and continuing in the respiratory tract
All insects breathe through their skin.
To oxygenise the body.
Air enters through the trachea and into the lungs.
lungs