This definition can be contrasted with that proposed by life-span developmental psychologists: Development is a life-long process beginning at conception and ending at death (Honzik, 1984, p. 309). Development is thus extended to include the whole of life.
A cockroache can live up to 10 days without its head. In fact it doesn't die of suffication but of dehydration.  a cockroach can live up to a week without it's head because â¦it's brain is in its body. 1 person found this useful.
It depends on the species, but cockroaches can live for weeks without their head. Eventually they starve to death because they have no mouth, though they probably get eaten or killed pretty fast anyway because they lose a couple senses. They are able to do this because their brain isn't as centralized as ours.