Question

Explain an earthworm's respiration in brief (in short).​

Answer 1

Earthworms do not have lungs. They breathe through their skin. Oxygen and carbon dioxide pass through the earthworm's skin by diffusion. ... Body fluid and mucous is released to keep its skin moist.

Answer 2

Answer:

Earthworms do not have lungs. They breathe through their skin. Oxygen and carbon dioxide pass through the earthworm's skin by diffusion. For diffusion to occur, the earthworm's skin must be kept moist.