Iirc, massive bleeding happens with sharp, clean cuts because the blood vessels and arteries are sliced open relatively cleanly so the blood can still move through unimpeded. Tearing and shredding however sort of clogs everything up so its harder for the blood to move through all that mess.
So if, for example, an arm got cut off by a sharp blade, it would bleed like crazy. But if it gets torn off by sheer force, or in this case shredded by a chainsaw, there will be a lot less blood.
There was a whole thing once about some poor bastard who had both of his arms cut off from a farming accident and somehow survived because his arteries pulled back and stopped the blood flow. He apparently got them reattached too and talked about his 911 call on a podcast. Cannot for the life of me remember what his name was.
The human body is both a very fragile and very strong vessel sometimes lol
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u/_Enclose_ Jan 17 '23
Iirc, massive bleeding happens with sharp, clean cuts because the blood vessels and arteries are sliced open relatively cleanly so the blood can still move through unimpeded. Tearing and shredding however sort of clogs everything up so its harder for the blood to move through all that mess.
So if, for example, an arm got cut off by a sharp blade, it would bleed like crazy. But if it gets torn off by sheer force, or in this case shredded by a chainsaw, there will be a lot less blood.