Part B

Provide the labels for the electron micrograph in figure 18.5.

Figure 18.5 Identify the bands and lines of the striations in this transmission electron micrograph of relaxed sarcomeres (8,400x).

Figure 18.5 Identify the bands and lines of the striations in this transmission electron micrograph of relaxed sarcomeres (8,400x).

Part C

Complete the following statements:

_of a muscle is usually attached to a fixed part.

_of a muscle is usually attached to a movable part.

3. The forearm is flexed at the elbow when the_muscle contracts.

4. A muscle responsible for most of a movement is called a(n)

5. Assisting muscles are called_.

6. Antagonists are muscles that resist the actions of_

direction.

and cause movement in the opposite

Essentials of Human Physiology

Essentials of Human Physiology

This ebook provides an introductory explanation of the workings of the human body, with an effort to draw connections between the body systems and explain their interdependencies. A framework for the book is homeostasis and how the body maintains balance within each system. This is intended as a first introduction to physiology for a college-level course.

Get My Free Ebook


Post a comment