Question

what is tracheal respiration

Answer 1

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 tracheae. Tracheae open to the outside through small holes called spiracles....
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Answer 2

Tracheal respiration : some insects exchange of gases such as carbon dioxide and oxygen in the atmosphere this is called as Tracheal respiration