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...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?
...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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