This 1930s educational film provides a detailed exploration of the respiratory and excretory systems, combining live-action demonstrations, animations, and intertitles to illustrate human anatomy ...

develops in the airways between the trachea and lungs. It can spread quickly to the lymph nodes and other parts of the body. Surgery is reserved only for patients with limited disease. Anatomy of the ...

A team of scientists from the University of Leeds, England, has designed a robot with tentacles that is able to explore the lungs and penetrate the smallest clefts of the bronchi. With it ...

In contrast, diffusion of gases between inhaled air entering the lungs and capillaries occurs within the lungs. Circulation in the fish is accomplished by a two-chambered heart, whereas a four ...

Red blood cells carry oxygen from the lungs to every other organ, and blood-forming stem cells must make about 200 billion new red blood cells each day to keep the oxygen flowing. For many years ...