If the head of cockroach is removed,it may live for few days because:

Options

A. The cockroach does not have nervous system.
B. The head holds a small proportion of a nervous system while the rest is situated along the ventral part of its body
C. The head holds a `1//3(rd)` of a nervous system while the rest is situated along the dorsal part of its body.
D. The supra-oesophageal ganglia of the cockroach are situated in ventral part of abdomen.

Answer

B