Sign In Home New Releases Collections Documentaries Dr.Doc Kids Top Rated My List Surprise Me
Nature History Crime Space War Society Conspiracy Technology
Submit Film About

Why Don't Our Bones Keep Growing Forever?

20253 minHDDr.Doc Kids
Surprise Me
Rate itMember ratings

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? Free to watch on Dr.Doc Kids.

Courtesy of MinuteEarth on YouTube. Watch on YouTube ↗

KidsAnimals & NatureMinuteEarthMinute EarthMinutePhysicsMinute Physics

More Dr.Doc Kids: Animals & Nature

Craziest Animal Illusions | You're Called What?!Craziest Animal Illusions | You're Called What?!2026•27m•HDThe world's smallest artwork is microscopicThe world's smallest artwork is microscopic2024•13m•HDAll Creature Battles Part 4All Creature Battles Part 42026•12m•HDThe Hidden Behaviours of Animal PacksThe Hidden Behaviours of Animal Packs2026•46m•HDWild Hamsters Thriving in Vienna's GraveyardsWild Hamsters Thriving in Vienna's Graveyards2025•10m•HDJack Hanna's Passport Full Episode | Exploring Remote WorldsJack Hanna's Passport Full Episode | Exploring Remote Worlds2026•19m•HDThe Joy of Cooking (with Bugs!)The Joy of Cooking (with Bugs!)2019•17m•HDAll Creature Battles Part 2All Creature Battles Part 22026•10m•HDBison! | Learn With Steve BackshallBison! | Learn With Steve Backshall2026•6m•HDGoing out on a limb for QuetzalcoatlusGoing out on a limb for Quetzalcoatlus2020•10m•HDLooking for The Red Wolf! | Learn With Steve BackshallLooking for The Red Wolf! | Learn With Steve Backshall2026•6m•HDSuper Animals Full Episode | Jaguar Jungle SuperpowersSuper Animals Full Episode | Jaguar Jungle Superpowers2026•21m•HD
Browse all 3072 Dr.Doc Kids videos →