Question

Which of the following helps human beings in producing sounds?

• A. The eardrum
• B. The auditory nerve
• C. The optical cortex
• D. The vocal cords

Answer 1

Answer: (D)

The vocal cords

The larynx is known as voice box or sound producing organ. A pair of membranous folds called vocal cords, stretch across the laryngeal cavity. In normal condition, the vocal cords lie apart so that the glottis remains widely open to allow free passage of respiratory air. For sound production, vocal cords come close together, they vibrate when air rushes out through glottis and produce voice.

Thus, the correct answer is option D.