Mechanism of respiration in cockroach, Biology


  1. Tergo-sternal muscles are relaxed. Volume of cavity is increased and pressure is decreased.
  2. To full fill the pressure air comes through the passage & mixed in tracheole fluid.
  3. Tracheole fluid comes out of tracheoles in cells so inspiration is completed.
  4. In Expiration CO2 is given out by same path.
  5. Due to more permeability CO2  is also given out through cuticle.

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Posted Date: 10/1/2012 8:36:46 AM | Location : United States

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