The respiratory system of cockroach consists of--------

Options :
  1. a network of trachea
  2. a pair of lungs
  3. a pair of bronchioles
  4. a network of alveoli
Answer and Explanation :-

Answer: Option 1

Explanation:

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The moment a little boy is concerned with which is a jay and which is a sparrow, he can no longer see the birds or hear them sing.
-Eric Berne