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In which of the following animals, respiration occurs without any respiratory organ ?A. FrogB. FishC. CockroachD. Earthworm |
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Answer» Correct Answer - D Earthworm respires but has no respiratiory organs. The exhange of gases takes place through moisk skin,i.e. cutaneous respiration, Since the absorptive surface of earthworm is more than its volume,so earthworm does not require any respiratiory organ. |
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