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The skeletal system

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The skeletal system

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3 kinds of skeletons

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Skeleton

Organ system: Skeletal system

Organs: Bones

Tissues: Cartilage, bone, Marrow

Cells: Bone cells
Other: Calcium, collagen, blood vessels

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5 main functions

*Stability

*Protection of vital organs

*Shape
*Production of blood cells
*Movement (with muscular system)

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Let's have a look inside the bone.

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Bone under the microscope

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Experiment: Bones

What are bones made of?

Collagen: Flexibility
Calcium: Hard

What happened during the experiment?

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