You bre­athe in and out anywhere from 15 to 25 times per minute without even thinking about it. When you exercise, your breathing rate goes up -- again, without you thinking about it. You breathe so regularly that it is easy to take your lu...
http://health.howstuffworks.com/lung.htm
And speaking of a game, your lungs even work with your brain to help you inhale and exhale a larger amount of air at a more rapid rate when you're running a mile — all without you even thinking about it once.
www.kidshealth.org/kid/body/lungs_SW.html www.kidshealth.org/kid/body/lungs_SW.html
Was your child just diagnosed with asthma? Looking for a refresher on the basics? Find out what you need to know about asthma. ... How the Lungs Work ... Lungs and Respiratory System...
www.kidshealth.org/parent/asthma_basics/index.html
The animation below shows how the lungs work. Click the "start" button to play the animation. Written and spoken explanations are provided with each frame. Use the buttons in the lower right corner to pause, restart, or replay the animation, or use the scroll bar below the buttons to move through the frames.
www.nhlbi.nih.gov/health/dci/Diseases/hlw/hlw_all.html
The respiratory system is a group of organs and tissues that help you breathe. ... Muscles in your neck and collarbone area help you breathe in when other muscles involved in breathing don't work properly, or when lung disease impairs your breathing. ... DCI Home: Lung Diseases: How the Lungs Work: The Respiratory System...
www.nhlbi.nih.gov/health/dci/Diseases/hlw/hlw_respsys.h... www.nhlbi.nih.gov/health/dci/Diseases/hlw/hlw_respsys.html
Pneumonia is an inflammation of the lungs, which usually occurs because of infection with a bacteria or virus. Pneumonia causes fever, inflammation of lung tissue, and makes breathing difficult because the lungs have to work harder to transfer oxygen into the bloodstream and remove carbon dioxide from the blood.
kidshealth.org/teen/your_body/body_basics/lungs.html kidshealth.org/teen/your_body/body_basics/lungs.html
What are lungs? What do they look like and how do they work? Have you ever wondered this yourself? Here is a super simple, super easy project to explain this. Goes well with a study of anatomy, life science, and/or biology. ... How Do Your Lungs Work? by Kathryn Martinez; May 12, 2001...
www.lessontutor.com/km1.html
What Happens When You Breathe? When you breathe, air travels through your nose, down the trachea, and into smaller and smaller airways called bronchi. These bronchi branch into smaller passages called bronchioles and finally into small, th...
http://video.about.com/asthma/How-Lungs-Function.htm
The lungs' intake of oxygen and removal of carbon dioxide is called gas exchange. Gas exchange is part of breathing. Breathing is a vital function of life; it helps your body work properly. ... DCI Home: Lung Diseases: How the Lungs Work: What Are ...
www.nhlbi.nih.gov/health/dci/Diseases/hlw/hlw_what.html