what in the nasal cavity traps bacteria?

which is better for inhaling, mouth or nose?

found at the top of the winpipe

these branch off from the trachea

what is shown in the image above?

a dome shaped sheet of muscle, the _________, separates the chest from the abdomen

After air moves through the pharynx it continues downward. The _____, or windpipe, directs the air into 2 separate branches or tubes.

Smaller tubes within the lungs

passage used for food, water and air

Muscular structure that helps to expand and contract the lungs, forcing air in and out

What is the function of the respiratory system

This is the airway that has two pairs of vocal chords attached to it

___________ protects the lungs