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Chrome File Edit View History Bookmarks People Window Help myCampus Secure LoginThe Muscular System: The Ne xModule 3 Interactive Homewo C ezto.mheducation.com/hm.tpx Place a single word into each sentence to make it correct, and then place each sentence into a logical par fiber Z discs This is the optimum length for producing maximumwhen the muscle contracts thin In resting muscle fiber, ais normally 2.0 to 2.5 micrometers long tension Therefore, if the thick and thin filaments do not overlap, very feware formed. myosin thick If a muscle fiber is overly contracted, the filaments butt against the Z discs. crossbridges Conversely, if the muscle fiber is overly stretched, there is not enough overlap between the thick and myofilaments. titin Reset

Explanation / Answer

1.In a resting muscle fibre a sarcomere is normally 2.0 to 25 multimeter long.

2.This is the optimum length for producing maximum TENSION when the muscle contracts.

3.If a muscle fibre is overly contacted the THICK filaments butt against z disc.

4.conversely if the muscle fibre is overly stretched there us not enough overlap between the thick and THIN myofilaments.

5.Therefore if the thick and THIN filaments do not overlap very few CROSS BRIDGES are formed.

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