Answers

  • Brainly User
2014-12-30T19:53:25+05:30
"Tracheal breathing" is the respiration by trachea in insects.
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2014-12-30T19:53:46+05:30
Insects have a network of air tubes called trachea for exchange of gas.oxygen rich air rushes through spiracles into the tracheal tubes ,diffuses into the body tissue and reaches every cell of the body similarly ,carbon dioxide from the cells goes into the tracheal tubes and moves out through spiracles. 
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