🦴01
Functions of the Skeleton
See the five jobs: support, protection, movement, storage, and making blood cells.
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Bone Classification
Meet the five bone shapes (long, short, flat, irregular, and sesamoid), with examples.
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Anatomy of a Long Bone
Find the diaphysis, epiphysis, medullary cavity, periosteum, and compact and spongy bone.
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Bone Cells & Remodeling
Osteoblasts build and osteoclasts break down. Watch the four bone cells at work.
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Calcium Homeostasis
Knock blood calcium off balance and watch PTH or calcitonin bring it back.
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Fractures & Repair
Learn the types of broken bones and the four stages of healing.
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