A basic review of the anatomy, physiology and personal protective equipment related to the respiratory system.

Background: A study was undertaken to test the hypothesis that severe exacerbations of asthma are characterised by increased bronchial mucosal neutrophilia associated with upregulation of neutrophil ...

What Is a Venn Diagram? A Venn diagram is a graphic that identifies the traits that two or more sets of things, concepts, or people share and don't share. Circles representing each trait overlap ...