Source: Pneumonia; Creative Commons: http://en.wikipedia.org/wiki/File:PneumonisWedge09.JPG
A condition in which bronchioles narrow suddenly causing breathing troubles which is triggered by allergens, stress, exercise or respiratory infections.
Mucus accumulates in airways of respiratory system as a reaction to the increase in air pollutants which can lead to serious issues if not treated.
Hair-like projections found on the surface of various types of cells that play a role in locomotion.
Lungs and airways become stiffened due to inflammation and breakdown of alveoli leading to insufficient gas exchange.
Cells that act in innate immunity to engulf pathogens (phagocytosis) in attempt to prevent infection.
An infection of the lungs in which fluid build-up makes it difficult to breathe.
A condition in which a person's breathing suddenly stops for a period of time and then resumes during sleep.
A lung infection caused by a type of bacteria which destroys lung tissue.