Wouldn't your body resistance limit the current according to Ohms Law?
Would be that the higher voltages apply greater power to the nervous system?
The impulse propagated along a neuron is essentially an electric
charge-discharge sequence due to an influx/efflux of sodium, potassium and
chlorine electrolytes.  It is initiated by the flow of acetyl choline across
the synapse and neutralized by a following substance of cholinesterase.
Electric shock alters this process in an adverse way if there is sufficient
power across the electrolytes.

----- Original Message -----
From: "Robert Ussery" <uavscience@FRII.COM>
To: <PICLIST@MITVMA.MIT.EDU>
Sent: Saturday, April 26, 2003 10:47 PM
Subject: Re: [OT]: How much voltage could cause injury


> ----- Original Message -----
> From: "John Pearson" <xero@CMC.NET>
>
>
> | Could a person be injured by a 12 volt DC shock, given certain
conditions?
> For instance, could a 12 volt car battery cause injury to a healthy person
> if their hands were wet or greasy? Assuming they are not using a pace
maker
> or any thing like that. I just don't have the guts to try it.
>
> Well, I've tried it with smaller 12V batteries...
> with my little 7Ah battery, you can't even feel it, even with wet hands.
If
> you stick your tongue across the terminals, however, you can get a good
> buzz. Also, this battery easily has enough oomph to weld stuff if shorted.
I
> once shorted it out with some alligator clips by accident, and it welded
the
> jaws shut in less than a second. I too have never had the guts to try any
of
> this with a 30+ Ah battery... Anyone wanna try?? :O)
>
> - Robert
>
> --
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