Respiration* is a physical process by which living organisms inhale oxygen from the surrounding atmosphere and then exhale carbon dioxide. The respiratory system is made up of organs that deliver oxygen to the circulatory system for transport to the cells in the animal’s body. The most critical requirement of life support to an animal is oxygen. An animal may be able to survive several weeks wi...

objectives we assessed the prevalence of three common viruses including; respiratory syncytial virus (rsv), human rhinovirus (hrv), and human metapneumovirus (hmpv), in children with acute wheezing. patients and methods ninety six wheezy children, 48 males (50%) and 48 females (50%)under the age of 5 years, were enrolled in the study. all patients visited as outpatients or inpatients when refer...

background: one of europe’s most well-developed industrial regions is found in the republic of bulgaria. the industrialization of the region has a big impact on air pollution. thermal power plant “maritza east” (the largest of its kind in southeastern europe), the army training range, machine manufacturers, household heating and high volume of automobile traffic are all major sources of polluti...

chronic granulomatous disease represents a group of inherited disorders of phagocytic system wherein recurrent infections are seen at different sites especially in the respiratory system. to determine the clinical spectrum of respiratory manifestations in chronic granulomatous disease patients, in this retrospective study, we used data from iranian primary immunodeficiency registry. the diagnos...