Through which of the following, does the maggot breathe?
A
External gills
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B
Tracheal system
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C
General body surface
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D
Anal tubercles
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Solution
The correct option is B Tracheal system Maggots breathe through tracheal system. They exchange oxygen and carbon dioxide between their tissues and the air by a system of air-filled tubes called as tracheae. The air enters into the tubes through a row of holes present along the insect's abdomen known as spiracles.