Q Question 1 4 / 4 points The functional unit of a muscle fiber is called what? Question 2 4 / 4 points Which type of contraction allows a muscle to produce tension without changing the angle of a skeletal joint or moving a load? Question 3 4 / 4 points Smooth muscle tissue can be found in all but which of the following places? Question 4 4 / 4 points All but which of the following are characteristics of aerobic respiration? Question 5 4 / 4 points Which two proteins interact to cause a contraction in skeletal muscle? Question 6 4 / 4 points Slow oxidative (SO) muscle fibers:

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