eli5: how come when someone gets cut in the neck, blood comes out like it’s from a hose and people faint quickly? Does blood travel fast in that area?
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The artery that carries blood to your brain is under more pressure than most blood vessels in your body because the brain uses a lot of blood and it’s usually at the highest point in your body. There is a big artery in each arm and leg that would do the same thing if they were cut. If you think of it like roads the arteries are like freeways but most roads have less cars and lower speed limits
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