Biology: The Dynamic Science (Mind...

4th Edition
Peter J. Russell + 2 others
ISBN: 9781305389892



Biology: The Dynamic Science (Mind...

4th Edition
Peter J. Russell + 2 others
ISBN: 9781305389892
Textbook Problem

Lifting weights will most increase the size of:

skeletal muscle.

smooth muscle.

cardiac muscle.

involuntary muscle.

interlinked, branched muscle.

Summary Introduction


Muscle tissues are formed by a group of cells that have the ability to contract as they are rich in actin and myosin proteins. The muscle tissues can be skeletal, cardiac, or smooth muscles, which differ in their structure and function but the ultimate role of all the three kinds of muscle tissues is to aid movement.


Explanation/justification for the correct answer:

Option (a) is skeletal muscle. One of the types of muscle tissue is a skeletal muscle, which is also known as muscle fibers. These muscle fibers are arranged side-by-side to form parallel bundles and are also surrounded by sheaths of connective tissue. Such an arrangement of skeletal muscle gives rise to a muscle like a bicep. The lifting of weight increases the muscles like biceps/triceps of the body and these muscles arise from skeletal muscle. Hence, option (a) is correct.

Explanation for the incorrect answers:

Option (b) is smooth muscle. These muscles are present in the walls of the tubes and cavities of the body. It assists in the movement of the stomach, intestine, blood vessel constriction, and uterus contraction. So, it is an incorrect option...

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