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10 Cards in this Set
- Front
- Back
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Functions of skeletal system
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- Provides shape and support
- Enables you to move - Protects internal organs - Produces blood cells - Stores minerals (calcium and phosphorus) |
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Total number of bones in a baby or child.
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275
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Total number of bones in a full grown adult.
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206
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Four types of joints
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Ball & Socket
Hinge Pivot Gliding |
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Ball & Socket Joints
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Example: Shoulder
A ball rotates in a socket as to allow rotary motion in any direction. |
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Pivot Joints
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Example: Neck
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Hinge Joints
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Examples: Knee, elbow
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Bones
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Movable joints held together by strong connective tissue called ligaments.
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Cartilage
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Cartilage covers the ends of bones and provides a cushion so bones don't rub together.
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Tendons
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Tendons attach muscles to bones.
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