Complete the following statement :
a. In cockroach grinding of food particle is performed by ____________
b. Malpighian tubules help in removal of ___________________________
c. Hind gut of cockroach is differentiated into ______________________
d. In cockroach blood vessels open into spaces called _
1
(a) mandibles, (b) solid wastes, (c) cecum and colon, (d) coelom
2
a) gizzard, (b) metabolic wastes, (c) ileum and rectum, (d) haemocoel.
3
(a) gizzard, (b) solid wastes, (c) cecum and colon, (d) coelom
4
(a) mandibles, (b) metabolic wastes, (c) ileum and rectum, (d) haemolymph