Which of the following areas on the stress-strain curve represents muscle tissue that has been stretched and maintains its new length even after the stretch is stopped?

Question

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The plastic region on a stress-strain curve represents the point beyond which a material (in this case, muscle tissue) has been deformed to the extent that it does not return to its original shape or length even after the force causing the deformation is removed. This is in contrast to the elastic region, where the material would return to its original shape after the force is removed.

Which of the Following Areas on the Stress-Strain Curve Represents