gedaliyah@lemmy.world to Today I Learned@lemmy.worldEnglish · 4 days agoTIL humans are the only animal with a chin. We aren't sure why.www.smithsonianmag.comexternal-linkmessage-square158fedilinkarrow-up1486
arrow-up1486external-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 · 4 days agomessage-square158fedilink
minus-squareBigFig@lemmy.worldlinkfedilinkEnglisharrow-up22·edit-24 days 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