TIL "pruney fingers" are not caused by your skin swelling from absorbing water. They're actually caused by your nervous system constricting the blood vessels in the skin, causing them to shrink and the skin to fold over them. bbc.com Submitted by OverdriverJC t3_10y6pwt on February 9, 2023 at 9:26 PM in todayilearned 59 comments 604
old_bearded_beats t1_j7ycarj wrote on February 10, 2023 at 7:19 AM I'd be interested to know HOW the body actually detects being in water. Is it through some mechanism of increased turgidity of cells absorbing water through osmosis? Permalink 1
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