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Pneumatic bone (Characteristics (Form major portion of the skull, Light in…
Pneumatic bone
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Function
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Maxilla
Reduce heaviness of skull, supports back teeth and allows voice to resonate
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Ethmoid bone
- Warms and humidifies inhaled air 2. Forms roof of nasal cavity
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Shapes of Bones
Flat bone
DESCRIPTION
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STRUCTURAL LAYERS
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SPONGY BONE
- Innermost layer
- Lightweight
- Absorbs sudden stress
PERIOSTEUM
- Outermost layer.
- Contains blood vessels & nerves.
APPEARANCE
Sometimes, Slightly Curved
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EXAMPLES
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Flat Bones of the Skull
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Frontal, Parietal, Occipital Bones
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Irregular Bone
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DESCRIPTION
APPEARANCE
- Vary in Shape & Structure
- Does not fit with other classifications
FUNCTIONS
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Maintain pharynx & trachea support, as well as tongue attachment (Hyoid)
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