Cough, sneezing and swallowing reflexes

Cough, sneezing and swallowing reflexes

Introduction These are collectively called respiratory protective reflexes. Protects lungs and air passage from foreign particles. These reflexes modify respiratory process so that elimination of foreign particles occurs. Thus, foreign particles cannot enter into the respiratory tract. Are involuntary in nature and occurs instantaneously in response to stimulus. A) Cough reflex One of the modified respiratory … Read more

Non-respiratory functions of respiratory tract

Non respiratory functions of respiratory tract

Various non-respiratory functions are also shown by respiratory tract. Not only gaseous exchange that is the primary function of it. Lungs show defense barrier and metabolic functions. It is the main organ of respiration. Some important compounds are synthesized by it. Non-respiratory functions are: a) Olfaction Provides olfactory sensation. Presence of olfactory receptors in mucus … Read more