A cockroach can survive for about a week without its head, dying eventually of thirst rather than injury, because its open circulatory system and body-wide breathing let it function long after deca...

spacedaily.com/j-a-cockroach-can-surviv...ing-let-it-function-long-after-decapitA decapitated cockroach can stand, walk, and respond to touch for about a week before dying — not from the wound, but from thirst. The reason lies in an open circulatory system and body-wide breathing that make the head, biologically speaking, almost optional.

The post A cockroach can survive for about a week without its head, dying eventually of thirst rather than injury, because its open circulatory system and body-wide breathing let it function long after decapitation would kill a mammal appeared first on Space Daily.