assignment 6 how muscles work
Post on 24-Jul-2015
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Muscle Fibers
• A muscle is a bundle of many cells called fibers
diameter of a strand of hair diameter of a muscle fiber 100 microns ≈ 100 microns
typical cell ≈ 40 micronscannot be seen by the naked eye
3Thursday, October 11, 12
Actin and Myosin Filaments
proteins sliding past each other
Sarcomere
Myofibril
Myocyte
Myofibrils
Filaments
5Thursday, October 11, 12
Actin and Myosin Filaments
proteins sliding past each other
Sarcomere
Myofibril
Myocyte
Myofibrils
Filaments
5Thursday, October 11, 12
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