MinuteEarth

Why Don't Our Bones Keep Growing Forever? (2025x20)

Ημερομηνία προβολής: Οκτ 31, 2025

Fish, amphibians, and reptiles –actually, almost all vertebrates– get bigger throughout their lives; they generally keep on growing until they die. Then, there are humans, who, by the age of 20 or so, just stop getting bigger… or at least taller. Why do we stop growing partway through life?