Question

Describe the blood circulatory system of a Periplaneta in detail and draw a neat and labelled diagram of it? (K & S).

Answer 1

Hope you understand

Answer 2

the main and major part of the circulatory system of the cockroach is the Dorsal Aorta. it contains the blood that came out of the sinuses during the bathing of the tissue. the blood of the cockroach is also different form the conventional red colored blood. dorsal ostia diaphragm is also present in the dorsal back portion of the Periplaneta . Ventral diaphragm is also present in the ventral side of the cockroach.