Question

difference between gills and trachea​

Answer 1

Answer:

Fish and other aquatic organisms use gills to take up oxygen dissolved in the water and diffuse carbon dioxide out of the bloodstream. Some insects utilize a tracheal system that transports oxygen from the external environment through openings called spiracles

Explanation:

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Answer 2

Answer:

fish and the other aquatic organisms use gills to take up oxygen dissolved in the water...

but some insects utilize a trachea system.....