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 ...

Warnings such as ‘Smoking kills’ are used to deter people from smoking Smoking can cause lung disease, heart disease and certain cancers. Nicotine is the addictive substance in tobacco. It ...

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 ...

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