can cockroach survive with head cut
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if the head of cockroache is cut off it still survives for as long as one week or more. it is because their head holds a bit of nervous system while rest of it lies in ventral part of body i.e. belly region. also their brain does not control breathing and blood does not carry oxygen throughout the body rather the spiracles supply air directly to tissues through a set of tubes called trachea in each segment separately
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hey!!!!
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Decapitation is almost immediately fatal to humans because we have a high-pressure circulatory system that we depend on to keep our tissues oxygenated. Cutting the carotid arteries in your neck would cause you to bleed out completely in a few minutes. Even if the cuts were immediately cauterised, your body can’t survive without nerve signals from the brain telling you to breathe.
But cockroaches, like most insects, are different. They breathe passively through a network of pipes connected to holes called spiracles along the length of their body. They don’t rely on blood circulation to move oxygen around and their body fluids are at a much lower pressure anyway. Their brain mostly handles the sensory input from the eyes and antennae, with many other behaviours, like running and reacting to touch, handled by ‘mini brains’ called ganglia in each body segment. A decapitated cockroach will eventually starve to death but this can still take several weeks.
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hope it helps!!!
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here goes your answer!!!
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Decapitation is almost immediately fatal to humans because we have a high-pressure circulatory system that we depend on to keep our tissues oxygenated. Cutting the carotid arteries in your neck would cause you to bleed out completely in a few minutes. Even if the cuts were immediately cauterised, your body can’t survive without nerve signals from the brain telling you to breathe.
But cockroaches, like most insects, are different. They breathe passively through a network of pipes connected to holes called spiracles along the length of their body. They don’t rely on blood circulation to move oxygen around and their body fluids are at a much lower pressure anyway. Their brain mostly handles the sensory input from the eyes and antennae, with many other behaviours, like running and reacting to touch, handled by ‘mini brains’ called ganglia in each body segment. A decapitated cockroach will eventually starve to death but this can still take several weeks.
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hope it helps!!!
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