How do earthworms breathe?

How do earthworms respire?

Describe how does an earthworm breathe.

What do earthworm eat ?

How do earthworms sense activity in their habitat without eyes, ears or a nose?

MULTIPLE CHOICE QUESTION Read the paragraph and answer the question. Earthworms breathe through their skin. It is thin and moist with minute holes. Through the skin, air passes in and out. What is essential for earthworm to breathe oxygen through skin continuously ? ( )