Complete the following statement-
a. In cockroach blood vessels open into spaces called_______
b. Malpighian tubules help in removal of _________
c. In cockroach grinding of food particles is performed by________
d. Hind gut of cockroach is differentiated into_______
Answer-
a. Gizzard
b. Nitrogenous waste
c. Haemocoel
d. Ileum, colon and rectum