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  • Respiration - 2
  • In which of the following animals does respiration occur ...
Multiple choice

In which of the following animals does respiration occur without any respiratory organ?

  1. Fish

  2. Frog

  3. Cockroach

  4. Earthworm

  5. Bird

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Earthworm respires through skin, i.e., gaseous exchange takes place directly through diffusion from skin.

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