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Tracheal System




A Tracheal System is a system of minute tubes that insects and arachnids use to carry oxygen into their bodies.

Air enters the tubes through openings called spiracles and then flows through the tracheae to reach individual cells.

Carbon dioxide flows in the opposite direction.


Associated Terms: Invertebrate Trachea

Also see:
Trachea
Tracheal Lung
Spiracle

 


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