Complete the following statements.

Options

A. In cockroch grinding of food particle is performed by …..
B. Malpighian tubulaes help in removal of ……
C. Hind gut of cockroch is differentiated into ….
D. in cockroach blood vessels open into spaces called ……….. .

Explanation

(a) Gizzard it is a muscular and greatly folded structure which marks the end of foregut and beasrs six plates with teeth for crushing and griding food ,
(b) Amlpighian tubles they help in the removal of nitrogenous waste in sarthropods hence arae arae excetory in function .
(C) lleum , colon and rectum and rectum opens and through anus
(d) Haemocoel it is the body cavity of cockroch divided into sinuses and contains vidceral organs of cock ach floating in haemolyph .