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 ...

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 ...

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 to access over 6,000 ...

Homeostasis comprises the dynamic processes that enable optimum conditions to be maintained for cells, in spite of continual changes taking place internally and externally (Clancy and McVicar, 1995).

Most exercise scientists would agree that the physiological determinants of peak endurance performance include the capacity to transport oxygen to the working muscle, diffusion from the muscle to the ...