The cilia is supposed to keep the dust particles away from the alveoli. The dust from the air that is inhaled from the mouth is filtered by the cilia in the pharynx.
you can keep your stomach healthy by eating healthy foods
By reading Twilight!!! and exercising. and eating healthy. everything you do to keep your body healthy, will keep the system healthy.
you keep it healthy by pooping on your self
Pharynx
The pharynx is the back of the throat (divided loosely into nasopharynx and oropharynx) which allows food to enter the oesophagus and air to enter the thrachea.
the throat. pharynx.
you dont have to keep healthy its your choice
to keep you alive an healthy an strong and keep you on track
Pharynx
A frogs pharynx is twice the size of a humans
by eating healthy food -*