In humans, the respiratory tract is the part of the anatomy of the respiratory system involved with the process of respiration. The respiratory tract is lined with respiratory mucosa or respiratory epithelium. Air is breathed in through the nose or the mouth. In the nasal cavity, a layer of nasal mucosa acts as…
Anatomical terminology. In humans, the respiratory tract is the part of the anatomy of the respiratory system involved with the process of respiration. Air is breathed in through the nose or the mouth. In the nasal cavity, a layer of mucous membrane acts as a filter and traps pollutants and other harmful substances found in the air.
Upper Respiratory Tract Structural and Functional Anatomy 1 Nose and Nasal Cavity. The nostrils, the two round or oval holes below the external nose, are the primary entrance into the human respiratory system [5]. 2 Mouth and Oral Cavity. … 3 Pharynx. … 4 Larynx. …