Oxygen goes in, carbon dioxide goes out. Sounds simple enough, but your respiratory system — composed of your lungs, trachea, sinuses, and sundry microscopic helpers — works a grueling 24/7 job just to keep your blood oxygenated, and your body alive. Learn all about the air you breath (and the respiratory organs that make it possible) here.
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What are the systems of the body? Fast facts about the human body and how it worksReference Learn all about the human body's many systems and some of its individual organs, both vital and vestigial.
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4D Implant Saves Babies with Breathing ProblemsA new "4D" medical device has saved the lives of three baby boys with life-threatening breathing problems, researchers say.
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New part of the body found hiding in the lungsThe newfound cells help to maintain a healthy respiratory system.
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Respiratory system: Facts, function and diseasesThe respiratory system is responsible for taking in oxygen and expelling carbon dioxide. The main organs are the lungs, which work in concert with the cardiovascular system.
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After a Bout of Flu, Mice Grow Taste Bud Cells in Their LungsThis is not a good thing for lung function.
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Can You Really Get Sick from Smelling Dirty Socks?A man in China had a habit of walking home from work every day, taking off his socks and… taking a great big whiff of them, according to news reports.
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Man Coughs Up a Giant Blood Clot in the Shape of His LungA man in California surprised his doctors when he coughed up an unusual looking blood clot: It was in the shape of his lung.
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Exquisitely Preserved Lungs from 120 Million Years Ago Stun Scientists Studying Early BirdAncient organs rarely fossilize, so paleontologists were stunned to find the incredibly well-preserved remains of a lung that belonged to bird from the dinosaur age, a new study finds.
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Does Drinking Milk Make Your Body Produce More Mucus?A persistent myth about milk — that drinking it can lead to the production of more gooey mucus in your body's airways — is completely false, a new review finds.
