Foregut, midgut and hindgut in cockroach, are associated with A Excretory system B Blood vascular system C Respiratory system D Alimentary canal
Option D. The alimentary canal present in the body cavity of cockroach is divided into three regions: foregut, midgut and hindgut. The mouth opens into a short tubular pharynx, leading to a narrow tubular passage called oesophagus. This in turn opens into a sac like structure called crop used for storing of food.
