Question

Select the answer below that best describes how the lungs are kept free of germs and dirt from the air?....

- the alveoli act as filters for the lungs collecting paricales of dirt and germs to be exhaled when the diaphragm relaxes

- tiny hairs knows as cilia clean the trachea of dirt and germs before it can enter the lungs

- hairs know as cilia found inside the alvelio collect the dirt and germs to be expeslled from the lungs

- mucus found in the bronchial tubes collects dirt and germs that gets into your lungs. Tiny haris called cilia work to sweep out the debris collected to keep