What Happens When You Faint?
Why do we faint? Because sometimes, your nervous system just doesn't know what to do with itself. Hosted by: Hank Green ---------- Dooblydoo thanks go to the following Patreon supporters...
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Fainting isn't fun, and when it's happening to you, or when it's happening to someone else, It is scary, and it is unpleasant, and why, why do we do that? When you faint, it's because your nervous system went haywire, and your brain wasn't getting enough oxygen. A brain requires oxygen like a computer requires electricity and that oxygen is carried to your brain by blood. A lot of blood. About 750 mL of blood flowing through your head every minute. If you suddenly decrease that oxygen-rich blood flow, you get a temporary loss of consciousness known to doctors as syncope, and to the rest of us as fainting. There are lots of different, and sometimes serious medical conditions that can make someone faint, but the kind that we're talking abou...
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Fainting isn't fun, and when it's happening to you, or when it's happening to someone else, It is scary, and it is unpleasant, and why, why do we do that? When you faint, it's because your nervous system went haywire, and your brain wasn't getting enough oxygen. A brain requires oxygen like a computer requires electricity and that oxygen is carried to your brain by blood. A lot of blood. About 750 mL of blood flowing through your head every minute. If you suddenly decrease that oxygen-rich blood flow, you get a temporary loss of consciousness known to doctors as syncope, and to the rest of us as fainting. There are lots of different, and sometimes serious medical conditions that can make someone faint, but the kind that we're talking abou...
