Question

.
Cockroach respire through their​

Answer 1

Answer:

They do this by using a very efficient breathing system that uses air filled tubes, called trachea, to deliver oxygen directly to cells. Oxygen flows in as required into the tracheal system through valves on the insect, called spiracles. But, sometimes, they shut their spiracles and stop breathing.

Answer 2

Answer:

trachea

Explanation:

it breathe through mouth or head

hope this helps you