Question

how do earthworms breathe

Answer 1

Air dissolves on the mucus of their skin, so they MUST stay moist to breathe. If wormsdry out, they suffocate. As fresh air is taken in through the skin, oxygen is drawn into the worm's circulatory system, and the worm's hearts pump the oxygenated blood to the head area.

Answer 2

they breathe with there skin.....

they absorbs the oxygen by there moist skin