ANSWERS: 5
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all the blood around the brain to fire neurons and deliver oxygen to keep you alive.
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The skin of the face has a very large number of capillaries. Therefore, face wounds can seem to bleed excessively, even though the total amount of blood lost is small.
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the better question is why did you get hit in the head? i told you not to try it while he was driving.
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the face and scalp has a lot of blood flow for a number of reasons (hair growth, support high concentration of nerves, etc) when you receive an injury this large supply of blood is right near the surface ready to fountain everywhere.
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that area is very vascular: lots of blood vessels
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