Muscular System
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each of the black spaces below before clicking
on it to display the answer.
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Adduction | moving a body part toward the midline
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Abduction | moving a body part away from the midline
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Cardiac muscle | forms the wall of the heart and contracts to circulate blood
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Circumduction | Moving in a circle at a joint or moving one end of a body part oin a circle while the other end remains stationary, such as swinging an arm in a circle
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Contract | nerves become short and thick
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Contractability | muscle fibers that are stimulated by nerves coontract, which cause movement
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Contractures | severe tightening of a flexor muscle resulting in bending at a joint caused by lack of use
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Elasticity | Allowas the muscle to return to its original shape after it has contracted or streched
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Excitability | irritability; the ability to respond to a stimulus such as nerve impulse
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Extensibility | the ability to be streched
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Extension | Increasing the muscle between two bones or straightening a body part
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Fascia | A tough, sheetlike membrave that covers and protects the tissue
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Flexion | decreasing the angle between two bones or bending a body part
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Insertion | the end that moves when a muscle contracts
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Involuntary | Muscle function without conscious thought or control
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Muscle tone | state of partial contraction and is sometimes described as a state of readiness to act
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Muscular System | made of over 600 muscles
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Origin | When a muscle attaches to a bone, the end that does not move
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Rotation | turning a body part around its own axis; for example,turning the head from side to side.
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Skeletal muscle | It attaches to the bone and causes body movements
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Tendons | Strong, though connective tissue cords that attach some muscles
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Visceral(smooth) muscle | is found in the internal organs of the body (digestive,, respiratory systems, blood vessels and eyes) It contracts to cause movement in these organs
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Voluntary | A person has control over these muscles
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Created by:
dp
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