this post was submitted on 10 Aug 2025
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Today I Learned (TIL)

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TIL all mammals including humans possess the mammalian diving reflex, where the body helps conserve oxygen by slowing the heart, constricting blood vessels and reducing breathing. It is triggered ... (www.amnh.org)
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The original was posted on /r/todayilearned by /u/Outside_Reserve_2407 on 2025-08-10 02:46:57+00:00.

Original Title: TIL all mammals including humans possess the mammalian diving reflex, where the body helps conserve oxygen by slowing the heart, constricting blood vessels and reducing breathing. It is triggered by cold water hitting the face.

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