Which of the Following Statements About Skeletal Muscle Fibers Is

question 24

Multiple Choice

Which of the following statements about skeletal muscle fibers is true?

• A)Each muscle fiber is composed of multinucleated cells.
• B)Each muscle fiber is composed of globular proteins.
• C)Each muscle fiber contains one sarcomere.
• D)Each muscle fiber contains actin and myosin.

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Definitions:

Veins

Blood vessels that carry blood towards the heart, often containing valves to prevent backflow.

Valves

Structures within the heart and veins that maintain one-way blood flow, preventing backflow and ensuring efficient circulation.

Regulate Body Temperature

The physiological process by which an organism maintains its internal temperature within a certain range, despite external temperature changes.

Glomus

A peripheral chemoreceptor that is primarily involved in regulating respiratory activity in response to changes in blood gases.