Question

Choose the correct answers from the alternatives given.
An insect organ most equivalent to the human lung in function is the:

• A. tracheae
• B. midgut
• C. flame cells
• D. malpighian tubule

Answer 1

The correct option is A tracheae

Trachea in insects is equivalent to lungs in human. After passing through a spiracle, air enters a longitudinal tracheal trunk, eventually diffusing throughout a complex, branching network of tracheal tubes that subdivides into smaller and smaller diameters and reaches every part of the body.

So the correct answer is"trachea".