Answer:
The correct answer is option a. larynx.
Explanation:
The larynx is an apparatus made up of ligaments, muscles, mucous membranes, and other components. It helps in protecting the vocal cords and respiratory passages.
The larynx has two extremely elastic folds of tissues known as vocal cords that influence volume and pitch that is important for the phonation, it is situated just below the tract splits into trachea and esophagus.
Thus, the correct answer is option A. larynx.
