Question

in cockroaches, air enters the body through
a) lungs
b) gills
c) spiracles
d) skin

Answer 1

Hello here is your answer by Sujeet yaduvanshi

Question:-)in cockroaches, air enters the body through
a) lungs
b) gills
c) spiracles
d) skin

Answer:-)spiracles

Answer 2

"In cockroaches, air enters the body through c) spiracles.

  Cockroaches do not have windpipe or any respiration track like humans. The breath through their spiracles as there are valves along their body which allows the air to enter their body.

  They have an opening of breathing tubes called trachea on their skin. Hence spiracles are the external openings for breathing tubes are found in many of the insects."