KidSafe Play
Quản lý con 👶
Ngôn ngữ
EN VI
Đăng nhập
The smallest bone in your body is in your ear and is tinier than a grain of rice.

The smallest bone in your body is in your ear and is tinier than a grain of rice.

It helps you hear sounds around you. It is only about 3 millimetres long.

🧍 Tất cả điều thú vị về Cơ thể →

Thêm điều thú vị về Cơ thể

Your heart beats about 100,000 times every day. Your heart beats about 100,000 times every day. You are a little taller in the morning than at night. You are a little taller in the morning than at night. You can’t tickle yourself. You can’t tickle yourself. Your bones are alive, and they grow with you as you get bigger. Your bones are alive, and they grow with you as you get bigger. Babies are born with about 300 bones, but grown-ups have only 206. Babies are born with about 300 bones, but grown-ups have only 206.