Respiratory organs of different animals

Animals

i) Amoeba

ii) Earthworm

iii) Insects like grasshoppers, cockroaches, houseflies and mosquitoes

iv) Fish

v) Frogs

vi) Aves , Reptiles and Humans

vii) Tadpole

Respiratory organ

i) Cell membrane.

ii) Skin.

iii) Trachea

iv) Gills

v) Moist skin , buccal cavity , lungs

vi) Lungs

vii) Gills