RT Book, Section A1 Deutsch, Ellen S. A1 Sulman, Cecille G. A2 Rudolph, Colin D. A2 Rudolph, Abraham M. A2 Lister, George E. A2 First, Lewis R. A2 Gershon, Anne A. SR Print(0) ID 7034012 T1 Chapter 370. Nose and Sinus T2 Rudolph's Pediatrics, 22e YR 2011 FD 2011 PB The McGraw-Hill Companies PP New York, NY SN 978-0-07-149723-7 LK accesspediatrics.mhmedical.com/content.aspx?aid=7034012 RD 2024/10/10 AB The nose is the major portal of air exchange between the internal and external environment. Nasal functions include warming, lubricating, humidifying, filtering, stimulating, and regulating airflow. The roof of the nose also contains olfactory epithelium. In humans, the sense of smell contributes to the perception of taste, warns of impending hazards, and affects social interactions.