the.com/chin
the only face part you'd raise in defiance and lead with into trouble.
jaw anchorHolds the mandible, your skull's only movable bone
human exclusiveNo other primate has a protruding chin
genioplastySurgeons reshape it for thousands of dollars
chin-upAn idiom and an exercise, both about resilience
cleft causeA dimple from bone fusing incompletely before birth