How do insects transport atmospheric air within their bodies?

How do insects transport atmospheric air within their bodies?
  1. By simple diffusion over their entire body surface
  2. Through tracheal tubes
  3. By a moist cuticle
  4. By pumping water through a series of chambers

Solution

Insects have a network of tubes (tracheal tubes) to transport atmospheric air within the body.

Asked in: NCERT

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