Term Paper
Our respiratory system is composed of the air passages provided by 1) nose, 2) pharynx, 3) larynx and 4) the respiratory surfaces of the lungs. The primary function of this system is ventilation and gas exchange. However, there are certain secondary roles played by this system viz. olfaction, phonation, and stabilization of the thorax during the mechanical exertion and certain other biochemical functions. Anatomy and physiology of the larynx: Larynx (commonly known as Voice Box) is a part of lower respiratory tract and is the organ for phonation (generation of sounds). Basically, Larynx is an air passage and has a ...