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SCIENCE QUESTIONS

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sme425
 
Reply Wed 17 Jan, 2007 06:30 pm
Why do humans have to stretch ?
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Butrflynet
 
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Reply Wed 17 Jan, 2007 08:40 pm
Some aren't tall enough to reach things and have to stand on tippy toes and stretch to reach it.
:wink:


Seriously, the human skeletal form is a system of elements that move by contracting and relaxing. Stretching keeps those elements limber so we can move easily and prevents injury.
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