Respuesta :
Among animals, for gaseous exchange, Fish use gills and insects use spiracles. The correct option is D.
What is respiration?
The procedure by which cells utilize oxygen to break down sugar and obtain energy is referred to as respiration.
There can be different organs for respiration in different animals. For example, human uses lungs, fishes have gills, insects have spiracles, etc.
Thus, the correct option is D.
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