Which of the Following Correctly Describes a Muscle Contraction's Four-Step

question 31

Multiple Choice

Which of the following correctly describes a muscle contraction's four-step process?

• A)Coupling, contraction, relaxation, excitation
• B)Contraction, relaxation, excitation, coupling
• C)Relaxation, excitation, coupling, contraction
• D)Excitation, coupling, contraction, relaxation

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Definitions:

Lever Systems

Mechanisms in the body that utilize bones to create movements through the application of force against a fulcrum.

Orbicularis Oculi

A muscle encircling the eye socket, involved in closing the eyelids.

Crow's Feet

Fine lines and wrinkles that form around the outer corners of the eyes, often associated with aging or frequent exposure to sunlight.

Depressor Anguli Oris

A facial muscle associated with frowning, drawing the corners of the mouth downward.