When the respiratory system is working properly, the air we breathe passes in and out of the lungs through a network of airways. But for people with asthma, even a minor irritant will set off an ...

This second article in our series on the effects of ageing explores the major anatomical and physiological changes that occur within the respiratory system Subscribe today for unlimited access to ...

Human beings like other land animals breathe though their nostrils in noses and with the help of lungs. A pair of lungs are located in the airtight thoracic cavity that is bounded by a convex muscular ...