Bones and structures located in your head.
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| Bones are...? | dense connective tissue composed of mainly calcium and phosphate
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| How many bones are in the body? | 206
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| List the functions of bones: (6 in total) | Protection, support, surfaces for muscle/ligament/tendon attachment, movement, production of RBCs, and the storage of 99% of the calcium in the body.
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| Axial skeleton includes: | 80 bones from the head and torso (including the 6 from the middle ear)
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| Appendicular skeleton includes: | 126 bones from the body's extremities.
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| The skull contains: | 28 bones
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| Mandible | only moveable bone of the skull
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| Sutures | Immobile joints that hold the skull together
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| Coronal suture holds together what? | divides and holds together the frontal bone from the parietal bone.
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| Lambdoid suture holds together what? | holds the parietal bones to the occipital bone.
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| Sinuses | air-filled spaces within the skull that decrease the weight of bones, moisten incoming air, and resonate voice.
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| What is the foramen magnum? | large opening at the base of the skull that lets the spinal cord through.
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| What do the maxillary bones form? | upper jaw, the nose, the orbits (eye sockets), the roof of the mouth, and the maxillary sinuses.
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| The zygomatic is also know as the? | cheek bones
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| The nasal bones form the? | upper part of the nose.
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| The mandible forms the? | lower jaw.
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| At what age does the anterior fontanel close? | 10-18 months
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| At what age does the posterior fontanel close? | by the age of 2 months
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