Even so, you and your brothers and sisters will probably all be different heights when you are grown up. In order to reach your ful height, your body needs several things. It needs hormones, which circulate in your blood and tell the bones to grow. You also need good food, good health, exercise, and regular check-ups. In some countries, people do not get enough to eat and they cannot grow properly.
Bodies grow at different rates.
Its upper body is large but its legs are short and floppy. The baby's muscles begin to grow, so it gets strong enough to hold up its head, sit and walk. Your brain finished growing by the time you were two years old. Now, the rest of your body is catching up. The long bones of the arms and legs grow the fastest.