Science, asked by analburan, 4 months ago

3. Small openings on the sides of the body of an insect

Answers

Answered by itsmeavani

Answer:

Air enters the respiratory systems of insects through a series of external openings called spiracles. These external openings, which act as muscular valves in some insects, lead to the internal respiratory system, a densely networked array of tubes called tracheae.

Answered by killerdrdoom

Answer:

Spiracles

Explanation:

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