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The Respiratory System: Overview

Related Article: Learn more about the respiratory system.

The respiratory system works with the circulatory system to deliver oxygen to the body's cells.

browse videos in respiratory system

Allergy Vaccines (1:35)

Watch this video about allergy vaccines on HowStuffWorks. Allergy researchers are developing vaccines for peanut allergies and testing them on dogs. Learn about allergy vaccines in this video from ScienCentral.

Asthma Treatment (1:37)

Watch this video about new research on treating Asthma on HowStuffWorks. Today's Asthma medication does nothing to treat the excess mucus that affects asthma and bronchitis sufferers, but researchers have found the protein that causes mucus buildup.... More »

Anaphylaxis Treatment Made Easier (5:34)

Watch this video about anaphylaxis on HowStuffWorks. Anaphylaxis is a severe, life-threatening allergic reaction triggered by exposure to one or more various antigens, including foods, insect stings, drugs, and latex products. Up to 43 million... More »

Death due to 9/11 Toxic Dust (1:15)

Watch this video about a death from lung disease on HowStuffWorks. It's the first time the New York City's chief medical examiner has officially linked a death to the toxic dust caused by the World Trade Center's collapse. Learn about the link... More »

Investigating Human Biology: High Elevation Respiration (7:49)

At higher elevations, the respiratory system has to work harder to pull in the amount of oxygen necessary for survival from the environment.

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The Cycle Series: Getting Oxygen (1:26)

Different organisms get the oxygen they need for cellular respiration in different ways.

Lungs: The Living Lung Tissue of a Dog (2:09)

Take a close-up look at the living lung tissue of a dog in this brief segment.

Lungs: The Main Air Passages (2:13)

Learn more about the main passages to the lungs in this segment.

Lungs: The Structure and Characteristics of Lungs (2:48)

Take a look at this clip to learn more about the structure and characteristics of lungs.

Lungs: Examining the Respiratory System of Mammals (3:11)

Check out this segment for a close-up look at the mammalian respiratory system.

The Respiratory System: A Healthy System (2:55)

Smoking is very damaging to the respiratory system.

The Respiratory System: Breathing (2:47)

Breathing is controlled by the amount of carbon dioxide and oxygen in the blood.

The Human Respiratory System (2:44)

During inhalation, air passes through the throat and into the trachea. The epiglottis blocks the trachea to prevent food from entering the lungs.

The Respiratory System: A Better Understanding (2:01)

Cellular respiration is the process that organisms use to obtain energy from foods. Respiration usually involves releasing energy from food by combining it with oxygen to produce carbon dioxide.

The Respiratory System: Overview (2:00)

The respiratory system works with the circulatory system to deliver oxygen to the body's cells.