What organs are attached to the two bronchi?

What is the name of tiny air-sacs at the end of smallest bronchioles in the lungs ?

What is the other name of wind-pipe?

In the lungs:

(a) what substance is taken into the body ?

(b) what substance is removed from the body ?

State whether the following statements are true or false :

(a) During respiration, the plants take C0₂ and release O₂.

(b) Energy can be produced in cells without oxygen.

(c) Fish and earthworm exchange gases during respiration in the same way.