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muscular system term

key term

muscular system muscle are bundles of muscle fibers help togeder by conective tissue
excitability irratability,the ability to respond to a stimulus such as a nerve impulse
contractibility muscle fibers that are stimulated by nerves contract,or become short and thick,which cause movement
extensibility the ability to be stretched
elasticity allows the muscle to return to its original shape after it has contracted or stretched
cardic muscle forms the walls of the heart and contracts to circulate blood
visceral pertaining to organs
involuntary funcition without consecious thought or control
skeletal muscle attached to bone and cause body movement
voluntary a person has control over its action
tendons strong tough connective tissue cords
fascia a though ,sheetlike membrane that convers and protectes the tissue
oring the end that does not move
insertion the end that moves when the muscle contracts
addution moving a body part toward the midline
abdution moving a body part away from the midline
flexion descrasing the angle between two bones or bending a body part
extension increasing the angle between two bones or straightening a body
rotation turning a body part around its ownaxis
circumduction moving in a circle at a joint,or moving one end of the body part in a circle
muscle tone patially contracted at all time, even when hot in use
contracture a severe tightening of a flexor muscle resulting in bending of a joint
Created by: judith_2



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