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 and ...

Organ system is a group of organs that work with one another in order to perform a particular task or set of tasks. Various organ systems of the Human Body are Digestive System, Circulatory System, ...

The excretory system is the system of an organism's body that performs the function of excretion, the bodily process of discharging wastes. The Excretory system is responsible for the elimination of ...