Question

what do you mean by alveoli ​

Answer 1

Answer:

1.

any of the many tiny air sacs of the lungs which allow for rapid gaseous exchange.

an acinus (saclike cavity) in a gland.

2.

the bony socket for the root of a tooth.

Answer 2

Answer:

Alveoli:-------

Timy air sac at the end of the bronchioles in the lungs...

They are the functional unit of respiratory system......

Their function is to exchange gases......