1103 Chapter 10. Muscle Tissue

Introduction

This photograph shows a man playing tennis.
Figure 1. Tennis Player. Athletes rely on toned skeletal muscles to supply the force required for movement. (credit: Emmanuel Huybrechts/flickr)

When most people think of muscles, they think of the muscles that are visible just under the skin, particularly of the limbs. These are skeletal muscles, so-named because most of them move the skeleton. But there are two other types of muscle in the body, with distinctly different jobs. Cardiac muscle, found in the heart, is concerned with pumping blood through the circulatory system. Smooth muscle is concerned with various involuntary movements, such as having one’s hair stand on end when cold or frightened, or moving food through the digestive system. This chapter will examine the structure and function of these three types of muscles.

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Douglas College Human Anatomy and Physiology I (1st ed.) Copyright © 1999-2016 by Rice University is licensed under a Creative Commons Attribution 4.0 International License, except where otherwise noted.

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