In this article we will discuss about the functions of respiratory system of humans and its mechanisms. Functions of respiratory system can be broadly classified into: a. Respiratory b. Non-respiratory. a. Respiratory Function: It is to provide adequate volume of oxygen to the tissues. Normal person at rest needs about 250 ml of oxygen per minute. Atmospheric air enters the [...]
List of seven parts of human respiratory system: 1. Nostrils 2. Nasal Cavities 3. Internal Nares 4. Pharynx 5. Larynx 6. Trachea and Primary Bronchi 7. Lungs. Part # 1. Nostrils (External Nares): Holes of the nose are called nostrils (external nares). These are paired openings that open into two nasal cavities. Part # 2. Nasal Cavities: Two nasal cavities [...]
The following points highlight the five major causes of diseases in respiratory system. The causes are: 1. Infection 2. Irritants 3. Allergy 4. Vascular Accidents 5. Malignant Disease. Diseases in Respiratory System: Cause # 1. Infection: Infection may be caused by a virus as in the case of influenza, and virus pneumonia, or by bacteria, as in bronchitis, bronchopneumonia, lobar [...]