First aid for asthma

Bronchial asthma - a chronic respiratory disease, usually infectious-allergic nature, where there are attacks of breathlessness, often bear the painful nature. These attacks are caused by impaired patency of the bronchi due to muscle spasm of bronchial tubes (bronchioles), edema of the mucosa and occlusion of the lumen bronchial tubes viscous contents.

Respiratory diseases

Respiratory function as gas exchange between the internal environment (body) and externally. Lungs, providing organs and tissues of oxygen, both derive from them the exhaust gases as carbon dioxide and other unwanted impurities. Change of inhalation and exhalation is regulated by respiratory center located in the medulla oblongata. When a person performs relative rest 16 breaths per minute.