Re: potassium and Tears 2

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j#d#.moore@canrem.com (J. Moore) wrote:
>

>*If* emotional tears evolved primarily as an excretion device --
>and I think that is extremely unlikely -- the evidence from these
>terrestrial birds and reptiles would indicate it was for a very dry
>climate rather than any aquatic environment.
>

Well the notion that our tear-shedding is adaptive for a very dry
environment doen't fit very well with our eccrine sweating system, does
it? Our ancesters MUST have been guzzling lots of fresh-water wherever
they were, so they can't have been in a very dry environment.

James Borrett.

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