Question

What are alveoli? how do they help in exchange of gases?

Answer 1

The function of the alveoli is to assist in oxygen exchange through the membranes of the small balloon-like structures. The alveoli are found on the branches of the bronchial passages.

Answer 2

Alveoli are the smallest passage way in respiratory system .

♥ The alveoli are thin walled and richly supplied with a network of blood vessels to facilitate exchange of gases between blood and the air filled in alveoli .

♥ Alveoli have balloon-like structure .

Thus , provide maximum surface for

exchange of gases .