Muscles
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| 3 TYPE OF MUSCLE CELLS | SKELETAL, CARDIAC, SMOOTH MUSCLE
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| SKELETAL MUSCLE | ATTACH TO BONE
PROVIDE MOVEMENT & SUPPORT
PARALEL, CYLINDRICAL CELLS WITH STRIATIONS - UP TO 12" LONG (LARGEST) OF THE 3
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| MULTINUCLEATE | SKELETAL MUSCLE CELL
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| SKELETAL MUSCLE UNDER WHICH CONTROL | VOLUNTARY - UNDER CONSCIOUS CONTROL
CONTRACTS RIPIDLY, TIRES EASILY - EXERTS VARYING AMOUNTS TO FORCE
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| CARDIAC | FORMS HEART WALL, CONTRACTIONS PUMP BLOOD
STRIATED, UNINUCLEATED
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| CARDIAC CONTAINS | INTERCALATED DISC - INTERCELLULAR CONNECTIONS BETWEEN CELLS
1) DESMOSOMES - PROVIDE STRENGTH
2) GAP JUNCTIONS - SPEADS CONTRACTION IMPULSE FROM CELL TO CELL
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| CARDIAC MUSCLE IS - VOLUNTARY OR INVOLUNTARY | INVOLUNTARY - CONTRACTS AT STEADY RATE; RESPONDS TO ANS, HORMONES
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| SMOOTH MUSCLE | FOUND IN VALLS OF HOLLOW ORGANS
USUALLY 2 LAYERS - LONGITUDINAL, CIRCULAR
* UNINUCLEATE, NON STRIATED
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| SMOOTH MUSCLE IS INVOLUNTARY OR VOLUNTARY | INVOLUNTARY - CONTRACTS SLOWLY,
GENERATES SUSTAINED CONTRACTIONS
RESPONDS TO ANS
HORMONES HELP BRAKE UP
MOVE FOOD, FLOODS THRU BODY - ELIMINATES WASTES
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