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28 Cards in this Set
- Front
- Back
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compact bone
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outer laayer, solid, tough
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spongy bone
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outer sides, light but strong, pores
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canal
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center, contains marrow
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red marrow
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blood formation
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yellow marrow
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storage site for fat
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membrane
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covers all bone but ends, thin ,tough, packed with nerves and blood vessels
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5 major functions of skeleton
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1) provides shape and support
2) enables you to move 3) protects your internal organs 4) produces blood cells (in long bones) 5) stores materials until the body needs them |
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vertebrae
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26 bones that make your back bone
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what are some materials the bone stores
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calcium and phosphorus
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what happens when materials are needed
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they are reaalesed into the blood stream
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marrow
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soft tissue that fills the internal spaces in the bone
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cartilage
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connective tissue that is more flexible thay bone. helps to support body
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joint
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a place where to bones come together
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ball-and socket joint
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most movement, arms + hips
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pivot joint
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one bone rotates around the other , neck
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gliding joint
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1 bone slides over the other, wrist + ankles
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hinge joint
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foward and backward movement
elbow+ knee |
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immovable joints
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skull/ribs, connect bones and stablize them
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movable
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allowsd body to keep a wide range of movements
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__________ + ________ = healthy bones
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balanced diet + excersise
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osteoporosis
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a condition in which the body's bones become weak and break easily
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involuntary
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a muscle that is not under consious control
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voluntary muscle
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a muscle that is under concious control
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what are the three types of muscle tissue
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skeletal, smooth, and cardiac
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skeletal muscle
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a muscle that is attached to the bones of a skeleton
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tendon
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strong connective tissue that attqaches a muscle to a bone
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smooth muscles
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involuntary musclesfound inside many internal organs of the body
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cardiac muscle
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muscle tissue found only in the heart
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