A) 13-chambered heart
B) Reduced wings
C) Cocoon formation
D) Segmented body
Correct Answer: A
Solution :
The heart of cockroach is formed of 13 chambers each chamber (except the last one) has a pair of small lateral apertures called ostia which open into the pericardial sinus.You need to login to perform this action.
You will be redirected in
3 sec