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18 May 12
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09 Apr 12
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So what do muscles do?
Muscles move cows, snakes, worms and humans. Muscles move you! Without muscles you couldn't open your mouth, speak, shake hands, walk, talk, or move your food through your digestive system. There would be no smiling, blinking, breathing. You couldn't move anything inside or outside you. The fact is, without muscles, you wouldn't be alive for very long! -
40% of your body weight is in muscles.
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You have over 630 muscles that move you.
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Muscles can't push. They pull.
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You have over 30 facial muscles which create looks like surprise, happiness, sadness, and frowning.
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Eye muscles are the busiest muscles in the body. Scientists estimate they may move more than 100,000 times a day!
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The largest muscle in the body is the gluteus maximus muscle in the buttocks.
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03 Oct 11
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26 Jan 11
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Liam pfacts interesting kids
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23 Oct 10
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07 Oct 10
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18 Aug 10
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10 Aug 10
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29 Jul 10
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05 May 10
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Indeed. On average, probably 40% of your body weight is in muscles. You have over 630 muscles that move you.
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"voluntary"
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15 Oct 09
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20 Apr 09
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17 Apr 08
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16 Apr 08
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