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What makes muscles grow? - Jeffrey Siegel
4:20
What makes muscles grow? - Jeffrey Siegel
23.1M viewsNov 3, 2015
YouTubeTED-Ed
How To Build Muscle (Explained In 5 Levels)
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Neuromuscular Junction, Animation
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YouTubeJeremy Ethier
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Muscles, Part 1 - Muscle Cells: Crash Course Anatomy & Physiol…
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