When someone is severely wounded (eg. got their leg cut off), how does bloodflow reach the parts of the body which would normally get blood after the parts with torn arteries?
In: Biology
Arteries branch out from the heart and flow outwards to everywhere at once. It is not like the blood first goes to one leg and then the other. Think like the branches of a tree – if you cut off one branch then the rest of the branches are still connected to the trunk.
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