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 1930s educational film provides a detailed exploration of the respiratory and excretory ... The film transitions to the excretory system, showcasing kidneys, ureters, the bladder, and the ...

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 ...

For millions of people around the world, asthma is more than just a breathing problem—it is a chronic and often debilitating ...

1 Human Performance Laboratory, Appalachian State University, North Carolina Research Campus, Kannapolis, North Carolina, USA 2 Department of Biology, Appalachian State ... fitness level and the rates ...