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18 Cards in this Set
- Front
- Back
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4 functions of muscle
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movement - maintaining posture - stabilizing joints - heat generation
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muscle cells are also called
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muscle fibers
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2 things muscle cells are capable of
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contraction - action potential
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3 types of muscle tissue
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skeletal - cardiac - smooth
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skeletal muscle voluntary or involuntary
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voluntary
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body movement is caused by ____ in skeletal muscle
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contraction
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skeletal muscle physical appearance
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long - cylindrical - striated
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skeletal muscle nucleus description
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multinucleated
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skeletal muscle contraction description
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contracts rapidly - tires easily
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cardiac muscle location
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heart wall
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cardiac muscle physical appearance
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branching cells - striated
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cardiac muscle nucleus description
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mono or binucleate - intercalated discs
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cardiac muscle contraction description
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self initiating contraction
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smooth muscle location
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walls of organs + blood vessels
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smooth muscle voluntary or involuntary
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involuntary
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smooth muscle physical appearance
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spindle shaped - no striations
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smooth muscle nucleus description
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mononucleated
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smooth muscle contraction description
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slow, sustained contraction
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