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KidsHealth.org: How Your Lungs Work

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it's help presents how the body works with Chloe and the nerve gold letter stands up hun finishes my joke pulling mean book all of that hold that thought nerve what's this and then Malone's first wins the prize prize Chloe home in Surprise if the time on this poster is right the race is about to start any minute you better get into are running outfits ready for race Chloe to the racetrack made it in the nick of time they're about to start movie Holy balls in the years but we in the Marine did last Chloe working and I'm breathing really hard hard because your body needs more oxygen is in the Euro we breathe when you're breathing hard you're alone can take in more oxygen and your heart is beating faster to get that oxygen all around your buddy in we go you know where we're going course in the respiratory system and Morse full moons where are let's get out of here Chloe when you inhale here comes into your nose or mouth on then down your windpipe also called the trachea at the end of the your two large tubes called the bronchi they lead to Lord organs responsible for breathing hold loans one Broncos goes to the left I'm the other one to the right Sloane's inhale air with the help from your chest muscles and diaphragm huh dome-shaped muscle under the lungs is your breathing your diaphragm contracts and flattens out this allows it to move down so your lungs have more room to expand as they fill up so when you exhale everything happens in reverse and the air goes out the way it came in this is the lungs nerve it's just another set of tubes  belongs of tons of these lower and smaller size tubes called bronchioles which can be as small as the thickness of a hair then should be right after the next one they are we nerve where are we real real life fancy word this is where the magic happens ajen from the air we breathe gets absorbed into the blood out of Eli are tiny air sacs at the end of each bronchiole there are about six hundred million alveoli in the lungs each has a mix like covering a very small blood vessels old capillaries oxygen travels into the blood through the alveoli into the tiny capillaries that surround them we got a race to win most important gas in the air his oxygen every one of your body cells needs oxygen to stay alive do you think sorry the lungs your body takes oxygen from the air and delivers it to bloodstream then your heart can pump oxygen rich blood all around the body when the process operates in River splitting your body get rid of a guy's cold carbon dioxide which is waste gas the body doesn't need her dioxide is carried by the bloodstream through the lungs in the lungs out of the body place called hyperdrive didn't we won The Crowd Goes Wild is everyone so quiet on the Rays like 45 minutes ago

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KidsHealth.org: How Your Lungs Work

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