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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Arteries (which move oxygenated blood away from the heart & lungs to the body) are more vulnerable in the neck (and a few other places) because they are closer to the surface and not covered by anything (depending on the position of one’s neck & head). For example if you tilt your head back past vertical your artery slides behind cartilage. If you bend your wrist back past straight your artery dies the same.
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