The way in which the postures and the actions of the human beings have been in an upright position mostly, suggests that the human brain had been undergone encephalization (Yule, 2020). The brains of the human beings had become hominid because of the influence of this process. The design of this type of a brain for every human being has impacted the vocal tract to keep developing through the process of evolution and adaptation. The price which human beings had to pay (for developing and modifying vocal capabilities) had been being nearly choked to condition leading to death of human beings.