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contractile cells - Coggle Diagram
contractile cells
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3 types= smooth, skeletal, cardiac
smooth- e.g arteries, gut, bladder, reproductive
skeletal- e.g biceps, calf, thigh, diaphragm
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features of skeletal muscle- sarcolemma(membrane of the myofilament) sarcoplasm(cytoplasm of myofilament), sarcoplasmic reticulem(endoplasmic reticulum of myofibril) as well as actin and myosin and the mitochondria.
myofibril contain actin and myosin which act as antagonist- actin relaxes as myosin contracts, Tropponin C- responsible for calcium binding, Troponin T- Tropomyosin binding
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- Croos bridge dettaches at end of power stroke returning to its original position
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