Question

how does an eartworm breathe ​

Answer 1

Answer:

Earthworms do not have lungs; instead, they breathe through their skin. Their skin needs to stay moist to allow the passage of dissolved oxygen into their bloodstream. Earthworm skin is coated with mucus, and they need to live in a humid, moist environment.

Answer 2

Answer:

Earthworms breathe through their skin by lengthening and shortening it.

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