Working Model of the Respiratory System?

Answer

The working model of the Respiratory System starts with the nose or mouth. The air flows down to the trachea and into bronchial tubes. These tubes divided into smaller tubes called the bronchioles. The end point are the over 300 million air sacs called alveoli. 
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Q&A Related to "Working Model of the Respiratory System"
The respiratory system and how it works is essential to our life. When you take in air, your lungs expand and bring oxygen to your body. You can find more information here: http:/
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The respiratory system is responsible for supplying our body with oxygen. It does this by enriching blood with oxygen every time we take a breath. It also removes carbon dioxide,
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The respiratory system's function is to allow oxygen exchange through all parts of the body. The space between the alveoli and the capillaries, the anatomy or structure of the exchange
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