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Respiratory exchange in earthworms takes place through ______

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in Biology – Class 11 by (272k points)
Respiratory exchange in earthworms takes place through ______

(a) gills

(b) mouth

(c) body surface

(d) lungs

I got this question during an interview.

I'd like to ask this question from Animals Structural Organisations in division Structural Organisations in Animals of Biology – Class 11

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Right option is (c) body surface

For explanation I would say: Respiratory exchange in earthworms takes place via the body surface. Since earthworm is an annelid, it lacks gills and lungs. The mouth of the earthworm is responsible for uptake of food only.

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