UK GCSE level age ~14-16, ~US grades 9-10 Biology revision notes
Skeleton and muscles: 1. Bones and function of the human skeleton system
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What are the functions of our skeleton?
The skeleton diagram does fill the screen, but you can't appreciate details if its size is reduced
(1) Bones and the human skeleton
In the diagram details of the bones of the hands and the feet are not shown.
Bones are made of tough calcium based materials and softer tissue.
The out layers of bone is made from strong and had tissues based on calcium compound molecules.
This makes bones strong and rigid - they don't bend easily.
The inner layers of bone are made from more softer spongy tissue, but still a fairly strong material.
The skeletal system as a whole has four main functions.
4. Production of blood cells
Keywords, phrases and learning objectives for this part on bones, muscles, skeleton and teeth
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