Which of the following is true of the intrinsic muscles of the larynx?
a. Their origin is the hyoid bone.
b. They move the larynx as a whole.
c. They serve in voice production.
d. Both A and B are correct.

Larynx is the organ responsible for protecting the trachea, sound production, manipulating the volume and the pitch, and is also involved in breathing.

The two types of muscles present in the larynx are the intrinsic muscles and extrinsic muscles.

The intrinsic muscles are further divided into: Phonatory muscles and Respiratory muscles. The respiratory muscles assist in breathing by moving apart the vocal cords and the phonatory muscles are responsible for producing sound by moving the vocal cords together.

Which of the following is true of the intrinsic muscles of the larynx? a. Their origin is the hyoid bone. b. They move the larynx as a whole. c. They serve in voice production. d. Both A and B are correct.

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Which of the following is true of the intrinsic muscles of the larynx?
a. Their origin is the hyoid bone.
b. They move the larynx as a whole.
c. They serve in voice production.
d. Both A and B are correct.