Laboratory Manual for Holes Human Anatomy & Physiology Fetal Pig Version
Laboratory Manual for Holes Human Anatomy & Physiology Fetal Pig Version
14th Edition
ISBN: 9781259295645
Author: Terry R. Martin
Publisher: McGraw-Hill Education
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Chapter 54, Problem 1.1A

The _____________ muscle of the human is homologous to the sternomastoid muscle of the pig.

Expert Solution & Answer
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Summary Introduction

To write:

The human muscle that is homologous to the steernomastoid muscle of the pig.

Introduction:

Muscle is a bundle or band of fibrous tissue present in a human or animal body. It can contract and move in preserving the position of body parts. Muscles play a role in the production of force and motion. They are mainly responsible for sustaining and shifting posture, locomotion. 

Explanation of Solution

Homologous word in biology means a resemblance in the internal or chromosomal structures. With the internal structures, the homology means the organs which have related structures, positions, or evolutionary origins. It is significant to note that organs do not have same function when they are homologous.

The sternocleidomastoid muscle:

It is one of the most superficial and largest cervical muscles. The main function of this muscle involves the head rotation to the differing side and flexion of the neck. The accessory nerve innervates the sternocleidomastoid.

The human muscle that is homologous to the sternomastoid muscle of the pigissternocleidomastoid muscle.

Conclusion

Hence,the human muscle that is homologous to the sternomastoid muscle of the pigissternocleidomastoid muscle.

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