If the head of a cockroach is removed, it may live for few days because:
Option: 1 The supra-oesophageal ganglia of the cockroach are situated in ventral part of the abdomen.
Option: 2 The cockroach does not have a nervous system
Option: 3 The head holds a small proportion of a nervous system while the rest is situated along the ventral part of its body.
Option: 4 The head holds 1/3rd of a nervous system while the rest is situated along the dorsal part of the body
The head holds a bit of a nervous system while the rest is situated along the ventral part of its body.The brain is represented by supra-oesophageal ganglion which supplies nerves to antennae and compound eyes.