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

Mechanism of breathing

Breathing is a physical process of taking or inhaling the fresh air in and expelling CO2 out. It is accomplished through changes in the volume and air pressure of the thoracic cavity. It is accomplished by the movement of ribs, internal and external intercostal muscles between each pair of ribs, diaphragm and abdominal muscles. Breathing … Read more