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muscular system
anatomy&phys
| Question | Answer |
|---|---|
| cardiac muscle is found in the | heart |
| what muscle is generally attached to bone; voluntary | skeletal muscle |
| what muscle is found in the walls of the viscera, the lining of the bronchial tubes and blood vessles? involuntary | smooth muscle |
| stiated and voluntary | skeletal muscle |
| the only type of muscle that is voluntary | skeletal muscle |
| must be supplied by a somatic motor nerve | skeletal muscle |
| contains intercalated discs | cardiac muscle |
| only type of muscle that is nonstriated | smooth muscle |
| a sustained muscle contration; the muscle does not relax | tetanus |
| refers to the increase in the strength of muscle contration due to the stimilation of additional muscle fibers | recruitment |
| the location of the vesicles that store neurotransmitters= | axon terminal |
| the nuerotransmitter junction (NMJ) | acetylcholine |
| the enzyme that terminates the effects of the neurotransmitter at the NMJ | acetylcholinesterase |
| cord like structure that attaches muscle to bone | tendon |
| flat, sheetlike fascia that attaches muscle to muscle or muscle to bone | aponeurosis |
| small bundles of muscle fiber | fascicles |
| muscle attachment to the more moveable bone | insertion |
| muscle attachment to the more stationary bone | origin |
| series of contractile units that make up each myofobril; extends from z line to z line | sacromere |
| energy source for muscle contraction | ATP |
| refers to the inability of the catin and myosin to disconnect following the death ofa person | rigor mortis |
| calcium is stored within this structure when the muscle is relaxed | sarcoplasmic reticulum |
| buttock | gluteal |
| brevis | short |
| diagonal | oblique |
| large | maximus |
| straight | rectus |
| huge | vastus |
| chest | pectoralis |
| arm | brachii |
| wide | latissimus |
| triangular | deltiod |
| orbicularis oculi | sphicter muscle encircling the eye; assists in winking, blinking, and squinting |
| flat muscle that raises the eyebrows and wrinklesthe forehead; creates a surprised look | frontalis |
| sphincter muscle encircling the mouth, called "kissing muscle" | orbiculis oris |
| chewing muscle that works synergistically with the temporalis muscles to close the jaw | masseter |
| extends from the corners of the mouth to the cheekbone called the smiling muscle | zygomaticus |
| flat fan shaped muscle that extends from the temporal bone to the mandible, it works synergestically with other chewing muscles | temporalis |
| lifts the eyelid | levator palpebrae superioris |
Created by:
mskaylapeppers
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