Air-Breathing Insects Carry Out Gas Exchange

Question

Air-breathing insects carry out gas exchange
A)in their specialized external gills.
B)in their specialized internal gills.
C)in the alveoli of their lungs.
D)across the membranes of their cells.
E)across all parts of their thin cuticular exoskeleton.

Accepted Answer

Air-breathing insects carry out gas exchange across the membranes of their cells, specifically through tiny tubes called tracheae which deliver oxygen directly to their cells. They do not have gills or lungs like aquatic and terrestrial vertebrates.