In the lungs:

(a) what substance is taken into the body ?

(b) what substance is removed from the body ?

What is the other name of wind-pipe?

What organs are attached to the two bronchi?

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.

Fill in the following blanks with suitable words:

(a) The organs of respiration in man are the.................

(b) The actual exchange of gases takes place in the................of the lungs.

(c) ..................in the lungs provide a very large surface area for gaseous exchange.

(d) Yeast undergoes..............respiration whereas Amoeba undergoes..................respiration.

(e) Gills are the breathing organs in................