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Why does the human body allow itself to be knocked unconscious during blunt-force trauma?


What I mean is, is unconsciousness a protective measure by the body (eg, to limit the exposure to trauma), or is it an uncontrolled reaction to injury? Does the body fight unconsciousness, as it means you are left exposed?

Also, are unconsciousness (through trauma) and fainting (eg, from shock or fear) the same thing? What exactly is fainting?Thanks.

That's lack of blood to the brain or a defense mechanism to stop us from sensing too much trauma. The mind just cuts out. Sort of a safey valve.

Even in boxing the art is to knock the head to stop blood flow to the brain.

Fainitng is lack of blood to the brain. Similar thing really.

Sudden lack of blood in the brain...being hit in the head as the person above says is also a natural response to a rediculous amount of pain that you probably wouldnt be able to handle if you were concious and may give the brain the chance to recover. your brain is kinda like a CD player really if you knock it, it will go out of place and stop playing and takes a few seconds to get back on track.

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