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| Supporting the trunk of the body. Consists of the skull, enclosing and protecting the brain; the vertebral column (backbone) enclosing the spinal cord and a rib cage around the lungs and heart. |
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| definitive characteristic of vertebrates, consists of a series of individual bones (the vertebrae) joined by pads of tough cartilage known as discs |
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| bones of the appendages and the bones that anchor the appendages to the axial skeleton |
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| mostly stored fat brought into the bone by the blood. |
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| A specialized tissue that produces our blood cells |
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| characterized by low bone mass and structural deteriorating of bone tissue |
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| hold together the bones of movable joints |
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| enable us to rotate our arms and legs and move them in several planes |
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| permit movement in a single plane |
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| enables us to rotate, enable us to make precise manipulations |
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oriented parallel to each other Each is a single long cylindrical cell that has many nuclei |
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| discrete bundles of proteins that include the contractile protiens |
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| composed primarily of actin molecules |
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| Made up of myosin molecules |
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