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The Breathing Process. The diaphragm contracts The lungs open up Air enters through the mouth and nose Air Travels down the larynx Bronchial tubes send air into each lung Blood travels to the surface of the Alveoli Blood grabs oxygen Diaphragm relaxes
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The diaphragm contracts • The lungs open up • Air enters through the mouth and nose • Air Travels down the larynx • Bronchial tubes send air into each lung • Blood travels to the surface of the Alveoli • Blood grabs oxygen • Diaphragm relaxes • Excess Air is push back out