Which of the following statements below will happen when a muscle is contracting? Point B will move closer to point C. Region D will become smaller. Region E will shrink in size. Point A will move closer to point B.

Which of the following statements below will happen when a muscle is contracting? Point B will move closer to point C. Region D will become smaller. Region E will shrink in size. Point A will move closer to point B.

Human Physiology: From Cells to Systems (MindTap Course List)

9th Edition

ISBN:9781285866932

Author:Lauralee Sherwood

Publisher:Lauralee Sherwood

Chapter8: Muscle Physiology

Section: Chapter Questions

Problem 12RE

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Concept explainers

Spheres of physical activity

The spheres of physical activity experience include aspects of everyday life where physical activity is important. In general, the spheres recognize various purposes of physical activity in different contexts. The spheres of physical activity provide a broad basis for assessing the significance and prevalence of physical activity. There are seven spheres of physical activity experience.

Question

Figure Q17-57shows an electron micrograph of a skeletal muscle fiber, where various points along a
fiber and various regions have been labeled.
B
Figure Q17-57
Which of the following statements below will happen when a muscle is contracting?
Point B will move closer to point C.
Region D will become smaller.
Region E will shrink in size.
D
Point A will move closer to point B.
E

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