Let's first take a closer look at the linguistic diversity that existed five hundred years ago. In 1500 there were probably about 7 thousand languages spoken across the earth, most still groupable into the 25 or so major families represented today.
Browse popular topics: Pharynx. The pharynx, or throat, is the passageway leading from the mouth and nose to the esophagus and larynx. The pharynx permits the passage of swallowed solids and liquids into the esophagus, or gullet, and conducts air to and from the trachea, or windpipe, during respiration.
Pharynx is a tubular part of the respiratory system which allows the passage of air into lungs. It is located behind the nasal and oral cavities. Pharynx is connected to the skull cavity by means of muscles and connective tissues. The different parts of pharynx are as follows: 1.