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18 Cards in this Set
- Front
- Back
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skeletal system
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all the bones in the body
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marrow
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a soft tissue in the center of many bones.
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periosteum
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the surface of the bone is covered with a tough, tight-fitting membrane.
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cartilage
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the ends of the bone are covered with a thick, slippery, smooth layer of tissue.
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joint
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any place where two or more bones meet.
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ligament
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a tough band of tissue that holds bones together at joints.
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immovable joint
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allows little or no movement.
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moveable joint
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allows the body to make a wide range of movement.
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muscle
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an organ that can relaxe and contract to allow movement.
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voluntary muscle
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muscles that you are able to control
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involuntary muscles
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are muscles you can't consciously control.
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Skeletal muscles
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are the muscles that move bones.
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tendons
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thick band of tissue that attaches muscle to bone.
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smooth muscles
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are nonstraited involunary muscles that move many of your internal organs.
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cardiac muscle
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found only in the heart.
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epidermis
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the surface layer of your skin
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melanin
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a pigment that gives your skin color
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dermis
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the layer of tissue under the epidermis
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