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If the head of cockroach is removed, it may live for few days because:(1) the head holds a 1/3rd of a nervous system while the rest is situated along the dorsal part of its body. (2) the supra-oesophageal ganglia of the cockroach are situated in ventral part of abdomen. (3) the cockroach does not have nervous system. (4) the head holds a small proportion of a nervous system while the rest is situated along the ventral part of its body. |
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Answer» (4) the head holds a small proportion of a nervous system while the rest is situated along the ventral part of its body. |
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