Your body is made up of trillions of cells? Different parts of your body are made of different kinds of cells.
Your brain is like a computer, and controls your entire body.
Your heart beats about 70 times a minute, and each time it beats, it pumps about about a cupful of blood.
An adult human heart weighs about 10 ounces and beats over 100,000 times a day.
There are 206 bones in your skeleton.
About half of the bones in the human body are located in the hands and feet.
Everyone has thirty-two teeth.
Your muscles make up about one-half of your body weight.
If you were to remove your skin, it would weigh as much as 5 pounds.
About 70 percent of your body weight is water.
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