Today I Learned@lemmy.worldEnglish · 1 day ago

TIL that the belly button/naval is a 'scar'

en.wikipedia.org

122

TIL that the belly button/naval is a 'scar'

en.wikipedia.org

58008@lemmy.world to

Today I Learned@lemmy.worldEnglish · 1 day ago

Navel - Wikipedia

en.wikipedia.org

I guess it makes sense, but I’ve never thought of it like that before.

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gandalf_der_12te@discuss.tchncs.de
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18 hours ago
lots and lots of biological systems are very well made
- Swedneck@discuss.tchncs.de
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  Sure, like the left recurrent laryngeal nerve that goes from the brain, down the neck and loops around the aorta, then goes back up again!

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