Parts of the model represent different parts of the respiratory system as shown here. The model, which is air tight, represents the thorax, and air is only able to enter via the glass tube which ...

Pleural membranes Thin layers that reduce friction between the lungs and the inside of the chest wall during breathing Pleural fluid (Higher Tier) Fluid found in the pleural cavity (between the ...

This can lead to coughing, wheezing, and other respiratory symptoms. Your respiratory system consists of two parts: your upper and lower respiratory tract. When you breathe, each component helps ...

However, the structural and functional properties of the lung and airways do not change in response to repetitive physical activity and, in elite athletes, the pulmonary system may become a limiting ...