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@scoutfinch190 There’s actually a fairly short answer here: no. Not really, no.

Our bodies really like to be around 98.6 degrees in Fahrenheit. Water freezes below 32F and melts at temperatures above that. If you were to be in an absolutely frozen wasteland and got a massive bloody gash, some of the blood outside your body could freeze. The blood in your body is hot and would melt any frozen blood on the wound itself though. A cold environment can certainly slow the bleeding (due to cold weather being a vasoconstrictor) but if we’re talking about weather cold enough where spit freezes on the sidewalk, frostbite is a huge concern. Basically, the cells in your body are mostly water and when the cells freeze suddenly they just get shredded and die. Not a great time.

Basically: if it’s -20F outside right. You cut your leg WIDE open. The blood will run and not really freeze because it’s starting at close to 100F anyway. Cold weather will slightly mean your bleeding will be slower but not a ton. Any exposed skin/muscle will be at risk for frostbite and permanent damage. That’s usually why it’s so important to get the injured person inside and warm, so that you can remove their outer layers to treat the wound without the risk of frostbite.

Hope I could help!