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About Ventilation and Respiratory Viruses | Ventilation | CDC About Ventilation and Respiratory Viruses At a glance Good ventilation is essential to maintaining a healthy indoor environment and protecting building occupants from respiratory infections in the workplace Improving ventilation can reduce the number of particles in the air and lower occupants' risk of exposure to airborne hazards
Physiology, Pulmonary Ventilation and Perfusion - StatPearls - NCBI . . . One of the major roles of the lungs is to facilitate gas exchange between the circulatory system and the external environment The lungs are composed of branching airways that terminate in respiratory bronchioles and alveoli, which participate in gas exchange Most bronchioles and large airways are part of the conducting zone of the lung, which delivers gas to sites of gas exchange in alveoli