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Friday, December 23, 2005
Muscles
Friday, December 23, 2005
 Muscles #Most muscles comes in pairs,one pulls the other pulls back.Typically,there is a 'flexor' to bend or flex a joint,and an extensor to straighten it again. Fibers #Muscles are bundles of fibre-just like cells.Some contains more than the others. Striped strands #Most skeletal muscles are made of thin strands called 'myofibrils'. Along the myofibrils are dark and light stripes called striations which are actually two alterning substances - actin and myosin. *our muscles CONTRACT and RELAXES |
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I suggest you add in a pop-up cbox, then it'll not look so weird.
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