The Skeletal System: It's ALIVE! - CrashCourse Biology #30

Hank introduces us to the framework of our bodies, our skeleton, which apart from being the support and protection for all our fleshy parts, is involved in many other vital processes that help our bodies to function properly. Crash Course Biology is now available on DVD! http://dft.ba/-8bCC Like CrashCourse: http://www.facebook.com/YouTubeCrashCourse Follow CrashCourse: http://www.twitter.com/TheCrashCourse Table of Contents 1) Endoskeleton 2:03 2) Biolography 3:27 3) New Bone Formation 6:36 4) Bone Str

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