A muscle is an organ specialized to produce movement of a body part. Its cells convert the … See more

In places such as the tongue, larynx, back, hand, and foot, anatomists distinguish between intrinsic and extrinsic muscles. An intrinsic muscle is entirely contained within a particula… See more

Most of this chapter is a descriptive inventory of muscles, including their location, action, origin, insertion, and innervation. Learning the names of the muscles is … See more

Answer the following questions to test your understanding of the preceding section: List some functions of the muscular system other than movement of the body. Describe the relation… See more

When you have completed this section, you should be able to name and locate the muscles that produce facial expressions; name and locate the muscles used for chewing an… See more