Brispaul




I'm doing 11 things
 
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know why nipples get hard in cold weather
Medical explaination 2 years ago

Same thing as goosebumps. When you get cold your skin pulls itself together to cause hair to stand up and provide better insulation. The Breast contracts, but the skin of the nipple is soft, so it stretches over the tissue below it, becoming erect.



 

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