gedaliyah@lemmy.world to Today I Learned@lemmy.worldEnglish · 6 months agoTIL humans are the only animal with a chin. We aren't sure why.www.smithsonianmag.comexternal-linkmessage-square154fedilinkarrow-up1494arrow-down114cross-posted to: til@lemmy.catodayilearned@lemmit.online
arrow-up1480arrow-down1external-linkTIL humans are the only animal with a chin. We aren't sure why.www.smithsonianmag.comgedaliyah@lemmy.world to Today I Learned@lemmy.worldEnglish · 6 months agomessage-square154fedilinkcross-posted to: til@lemmy.catodayilearned@lemmit.online
minus-squareBigFig@lemmy.worldlinkfedilinkEnglisharrow-up22·edit-26 months agoYou see a chin area yes, but it is simply the bottom of the jaw. The human chin has actual muscle that goes below the jaw bone and can be moved ever so slightly which aids in facial expression. https://en.wikipedia.org/wiki/Mentalis?wprov=sfla1
You see a chin area yes, but it is simply the bottom of the jaw. The human chin has actual muscle that goes below the jaw bone and can be moved ever so slightly which aids in facial expression.
https://en.wikipedia.org/wiki/Mentalis?wprov=sfla1