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Q25. If the head of cockroach is removed, it may live for few days because

3. The head holds a small proportion of a nervous system while the rest is situated along the ventral part of its body

Solution:
The nervous system of cockroach is spread throughout the body. The head holds a bit of a nervous system while the rest is situated along the ventral (belly-side) part of its body.

Q25.  If the head of cockroach is removed, it may live for few days because
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