I breathe in and out through my nose and mouth. Fresh air is made warm and clean in my nasal cavity. The air goes down my trachea, through my bronchial tubes, and deep into my two lungs. Used air...
My bones
My skeleton grows up with me. When I am grown, I will have about 206 bones. Bones give shape to my body. Bones store up minerals to be used as my body needs them. New blood cells are made inside...
My muscles
My body is filled with muscles. Deep inside of me, muscles help my body work properly. Muscles help food move through my body. And muscles help air move in and out of my lungs. Some of my muscles...
The outside of me
My skin is one of the organs of my body. Some waste products are carried out of my body through my skin when I sweat. And my skin helps keep my body at an even temperature. All skin is tough, but...
My hands and feet
My hands and feet are important parts of me that I can see. I use them to do all kinds of work. My fingers and thumbs pick up things and hold them. When I try to pick up things without using my...
How big am I now?
Am I short? I'm shorter than my father. My father is shorter than a camel. A camel is shorter than a giraffe. I'm shorter than a man, a camel, and a giraffe. Am I tall? I'm taller than a lamb. A...
How I move
When I was a baby, I couldn't walk. I couldn't pick up anything. As I grew, I learned to make my hands and arms and feet and legs work for me. Now I use my legs for many jobs. I use them to walk,...
My navel
In the middle of my belly is a mark. It is my navel. Sometimes I call it my "belly- button." I used to wonder why it was there. Now I know. In the months before I was born, I lived inside my mother....
My skin covers me
My skin is tough. I scratch it and scrub it and scrape it and rub it. Sometimes I bruise it or cut it. But it always grows back. Tiny bits of color are in my skin. They make my skin black or brown...
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...
