Neck
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I think that when i cracked my neck the other day i did something to i think it is a vein in my neck (the two vein type things that stick out in your neck). It feels like bruised and when i try to crack my neck it feels like it is sticking out even more and it feels just plain right weird.
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It could be that you have pulled the sympathetic nerves too far. They will mitose back into place shortly.
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mitose - as in mitosis?
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ooo posh word

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biology.
I remember learning a bit about it but i don't see how it is related :?
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good old biology, if only they had a bone/joint moduleβ¦.
 
 
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Human anatomy?
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do they teach that in schools though that much?
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Not really - depends on the syllabus.
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yeah i guess so
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The government sort that out + teachers choose what things to teach.