Question

name the respiratory organ of crab , man,leeche and insect.

Answer 1

among vertebrate animals fishes breathe through the gill while bird reptile and mammal use lung breathe

Answer 2

"1. The respiratory organ of crab is gills, abdominal lungs and branchiostegal lungs.

2. The respiratory organ of man is nose, nasal openings, sinuses, pharnxy, and larnx.

3. The respiratory organ of leeche is skin.

4. The respiratory organ of insect is series of openings known as spiracles.

"