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 ...

What Is the Respiratory System? The respiratory system is the organs and other parts of your body involved in breathing, when you exchange oxygen and carbon dioxide. All the cells in your body need ...

CBSE class 10 teacher says, "·Diagrams can fetch assured marks. Students should practice well labelled diagrams such as ...