The bones at the top of your spine, along with your muscles and ligaments, support your head, which weighs about 11 pounds.
For More Info: http://bit.ly/2yR0UHB |
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The bones at the top of your spine, along with your muscles and ligaments, support your head, which weighs about 11 pounds.
For More Info: http://bit.ly/2yR0UHB |
|
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