Home › CBSE Class 11 (Science) › Biology › Breathing and Exchange of Gases › Which structure do earthworms use for gas exchan…
Which structure do earthworms use for gas exchange?
ABranchial gills
BTracheal tubes
CMoist cuticle
DPulmonary sacs
Answer & Solution
Correct answer: C. Moist cuticle
Earthworms lack lungs and exchange O2 and CO2 across their moist body covering.
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