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Part of me is always new

As I grow, my body changes. It changes inside where I cannot see the changes. It changes outside where I can see what is happening to me. Inside of me cells grow and divide, so I grow bigger inside...

How big will I be?

If my cells are always dividing into new cells, why don't I grow bigger and bigger and never stop? That won't happen! One reason is that even though my body makes new cells, other cells wear out....

I grow

I am always growing. Growing is the easiest thing I do. I don't have to think about it. It just happens. I can stop running or walking or climbing, but I can't stop myself from growing. How do I...

Food to grow on

> Some foods help my body grow and grow. Some foods help my body stay warm. > Some foods help my body work properly. Sometimes I don't wear out my shoes I grow out of them. My baby shoes are...

My hair

About a hundred thousand hairs cover the top of my head. I can pull out a hair and a new one will grow to take its place. The hair grows and is cut and grows some more. Where does all that hair come...

To get the things we need

We all work to get the things we need. Some of us grow our own food and make our own clothes. Some of us work for money to buy these things. In this book, you will discover some of the ways we earn a...