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