Spiracles found in cockroach are
Two pairs in thorax and four pairs in abdomen
Two pairs in neck and four pairs in abdomen
Two pairs in abdomen and four pairs in thorax
None
Physiology of Arthropoda -
Respiration in Arthropoda:
-
The terrestrial arthropods breathe through network of tracheal tubes connected to the outside via spiracles. Two pairs of spiracles occur in thorax and four pairs occur in abdomen.