Human Body - Facts for Kids

The smallest bone in your body is the stirrup bone (stapes) in your ear — it’s only about 3.5 millimeters long, about the size of a grain of rice!

Your blood is bright red when it carries oxygen and darker red when it needs more oxygen – like a color-changing magic potion!

Basic Information

Fallopian tubes are special tubes that only girls and women have in their bodies — they’re part of what makes females unique and special!

Regular check-ups with your doctor help make sure your cerebellum is developing normally as you grow!

Basic Information

Your clavicle, or collarbone, is one of the most commonly broken bones in the human body. That’s because it’s long, thin, and sits right under your skin — so it’s easy to break if you fall or get bumped hard.​