Question

describe tracheal system of
Cockroache

Answer 1

it helps the cockroach to get the signal of its rout

Answer 2

The tubes start at openings called spiracles,found on the surface of the cockroach. Air(oxygen)enters the cockroach body through spiracles. Carbon dioxide leaves the cells and moves back through the tracheal system consisting of the tracheoles and the trachea leaves the insect's body through the spiracles.