Biology, asked by kkverma6231, 1 year ago

Tracheal system short notes

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Answered by VashisthAtul
1
TRACHEAL SYSTEM
Tracheal Breathing. Insects and some other invertebrates, exchange oxygen and carbon dioxide between their tissues and the air by a system of air-filled tubes called trachea. Trachea open to the outside through small holes called spiracles.
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