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The exchange of gases in insects occurs mainly through:

The exchange of gases in insects occurs mainly through:
Take Free Practice Test On 2026 JAMB UTME, Post UTME, WAEC SSCE, GCE, NECO SSCE
  • A Gills and operculum
  • B Xylem and phloem
  • C Lungs and alveoli
  • D Spiracles and tracheae
Correct Answer: Option D
Explanation:
Insects possess spiracles connected to tracheal tubes through which oxygen enters and carbon dioxide leaves the body.

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