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muscle system

QuestionAnswer
abduction moving a body part away from the midline
adduction moving a body part towardthe midline
cardiac muscle forms the walls of the heart and contracts
circumduction moving in a circle at a joint, or moving one end of a body part in a circle white the other end remaind stationary,such as swinging
contract become short and thick, which causes movement
contractibility muscle fibers that are bstimulated by nerve
contracture a severe tightening of a flexor muscle resulting in bending of a joint
elasticity allows the muscle to return to its original shape after it has contracted or stretched
excitability irritability the ability to respond to a stimulus such as a nerve impulse
extensibility the ability to be stretched
extension increasing the angle betwee two bone, or straightening a body part
fascia a touh, sheetlike membrane that covers and protects the tissue
flexion decreasing the angle between two bone, or straightening a body part
insertion the end that moves when the muscle contracts
involuntary meaning they function with out conscious thought or control
muscle tone is sometime described as a state of readiness to act
muscular system muscle are bundles of muscle fibers held together by connective tissue
origin the end that does not moves
rotation turning a body part around its own axis
skeletal muscle is attached to bones and causes body movement
tendons strong,tough connective-tissue cords
visceral(smooth) muscle is found in the internal organs of such as those of the digestive and respiratory system and the blood vessels and eyes
voluntary a person has control over its action
Created by: amor09101991
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