What is the main function of the alveoli?

Answer 1

gas exchanging

Answer 2

The main function of the alveoli is for exchange of gases. The alveoli remove the carbon dioxide from the blood in the capillaries and exchange it with oxygen to be taken to other parts of the body. The carbon dioxide is taken out of the body when we exhale.

Answer 3

That it stops wrinkly old men touching girls

who ever wrote that is stupid. the real answer is:

the alveoli are small air sacs that are coated with capillaries which diffuse the oxygen and send it to the blood that goes to your heart.

Answer 4

Blood capillaries allow for the rapid exchange of carbon dioxide and oxygen to occur. Carbon dioxide diffuses from the erythrocytes (red blood cells), through the capillary walls, into the alveoli, and is exhaled through the mouth and nose.

Answer 5

It is not exactly water in the outside of the alveoli, it is an oily, washing up liquid type substance called surfactant. What it does is reduces the surface tension on the alveoli, making it easier for us to breathe in.

Answer 6

The alveoli are the places where carbon dioxide and oxygen are exchange between tiny capillaries.

Answer 7

alveoli is found at the beetween of lartynx and bronchi to the nose succsesfulli happi ever after .

it is where the gaseous exchange during respiration