respiratory system

Discusses respiration and the lungs, introducing various parts of the respiratory system and explaining how they relate to each other.

Describes the various parts of the human respiratory system and explains how that system brings fresh oxygen into the body and carries carbon dioxide to the lungs to be expelled.

Explores how the human body repairs and renews itself, looking specifically at the cycles of regrowing hair and nails, breathing, and blood circulation.

Explains the causes, symptoms, and treatments of asthma.

Molly and Ollie Oxygen take a tour of the human respiratory system, explaining how it works.

Presents an introduction to the lungs, explaining what they are, how they work, and their function in the human body; looks at some of the illnesses and injuries that can affect the lungs; and offers advice on how to keep them healthy.

Explains the respiratory system, which takes oxygen from the air and delivers it to the body's cells. Also discusses the voice and human speech.

A simple introduction to the respiratory system.

Describes the heart and lungs and how they work together with other parts of the body to help it obtain and use the oxygen it needs.

Follows the path of oxygen as it enters through the nose and travels on to the lungs and throughout the body.