Gaseous exchange in insects
- Created by: elle1999
- Created on: 12-02-16 12:57
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- Gaseous exchange
- Air enters through the spiracles.
- Inactive- closed.
- Spiracles open or closed by sphincters
- Trachae
- Carry air into the body.
- Chitin keep them open.
- Most gaseous exchange takes place.
- Diffusion
- Alternative methods
- Mechanical ventilation- actively pumped in.
- Air sacs which act as reserves.
- Air enters through the spiracles.
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