On Fri, 31 Oct 2014 11:56:31 -0000, Bod wrote:

On 31/10/2014 11:48, Uncle Peter wrote:
2 degrees is required to MAKE you shiver. This (along with reduced
blood flow to your skin and brown fat cells becoming active) prevents it
going much further. You need to lose 17C to die.

My fingers don't mind the cold, they in fact go RED to increase blood to
them to prevent frostbite.

How can that be!? Your blood reduces flow to your extremities when very
cold, to protect your vital organs.

Your fingers and toes are more important. Your "vital organs" are inside you and much warmer anyway. Try shoving just your hand in a tub of cold water right now. Leave it in there for a while, your hand will go red. That's MORE blood to protect it.

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