Zoology - Structural Organisation in Animals Question with Solution | TestHub

The gastric caeca, also called as hepatic caeca, is a ring of 6-8 blind tubules secreting digestive juices and located at junction of midgut and foregut in the abdomen region of cockroach. Malphigian tubules which help with excretion is found at junction of midgut and ileum (hindgut). Cockroaches have a pair of wings present at the 2^ndand 3^rdsegment.