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Today Hank explains the skeletal system and why astronauts Scott Kelly and Mikhail Kornienko are out in space studying it. He talks about the anatomy of the …
We’re kicking off our exploration of muscles with a look at the complex and important relationship between actin and myosin. Your smooth, cardiac, and skeletal …
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https://en.wikipedia.org/wiki/Mechanical
Amazon.com: ShoppeWatch Mens Mechanical Skeleton Watch …
AMPM24 Vintage Bronze Case Automatic Mechanical Skeleton …
Skeleton – The vertebrate skeleton | Britannica.com
