Figure 9- 1 Skeletal Muscle Fiber

Figure 9- 1 Skeletal Muscle Fiber
Use Figure 9- 1 to answer the following questions:
-In an isotonic contraction,

A) tension rises and falls but the muscle length is constant.
B) many twitches fuse into one.
C) the peak tension is less than the load.
D) muscle tension exceeds the load and the muscle lifts the load.
E) flexion is produced.