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muscular system term
key term
| Question | Answer |
|---|---|
| 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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