Question

In cockroaches, air enters the body through
(i) lungs (ii) gills
(iii) spiracles(iv) skin

Topic: Respiration in Organisms

Answer 1

In cockroaches, air enters their body through the spiracles.

These creatures have valves along their body which allow the entry of air through the breathing tubes or the trachea in their body.

Cockroaches are insects and they therefore have totally different type of breathing system from the animals like dogs, cats, etc.