In insects, oxygen is carried to different tissues through
A
Diffusion through surface
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B
Tracheal tubes
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C
Respiratory pigment through blood
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D
Gills
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Solution
The correct option is B Tracheal tubes Insects have spiracles on their exoskeletons to allow air to enter the trachea. In insects, the tracheal system primarily delivers Oxygen directly into the insects' tissue. The spiracles can also be opened or closed in an efficient manner to reduce water loss.