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Re: Parrish's neck work ... -Reply
At 03:08 PM 4/30/99 -0500, Augustus Toby White wrote:
>If we suppose that they reared to eat, lets not forget the blood pressure
>problem. I can't recall the numbers, but the pressure necessary to supply
>the brain with oxygen in a vertical position is pretty unreasonable.
This computation assumes a simple blood distribution system. A system with
valves and/or auxiliary pumps in the neck can get by on lower blood
pressures. I do not attach much importance to this computation.
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