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The Respiratory System

The Respiratory System. Purpose of the Respiratory System. To provide all cells in the human body with Oxygen and remove Carbon Dioxide produced as waste by each cell. Fact. You breathe 15 times per minutes and move 10,000L of air in and out of your lungs each day

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The Respiratory System

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  1. The Respiratory System

  2. Purpose of the Respiratory System • To provide all cells in the human body with Oxygen and remove Carbon Dioxide produced as waste by each cell

  3. Fact • You breathe 15 times per minutes and move 10,000L of air in and out of your lungs each day • With every breath, you breath in at least one particle of air that Gandhi breathed in when he was alive

  4. Respiratory System Structure

  5. Respiratory System • Inside the trachea and bronchi are cilia • mucus traps bacteria and dirt from the air

  6. Parts of the Respiratory System • Lungs – Provides a place for gas exchange to take place • Trachea – Connects the mouth and lungs • Pharynx – Provides a pathway for both food and gases to reach their appropriate places • Alveoli – Thin sacs which allow gas to pass into the blood stream • Capillaries – Allows the exchange of oxygen for carbon dioxide • Bronchioles – Directs air from the trachea into the alveoli

  7. Tracheotomy

  8. https://www.youtube.com/watch?v=Urn_ztf3TcQ

  9. Gas Exchange • Oxygen enters lungs through the bronchioles and into the alveoli • Oxygen diffuses from the alveoli into the capillary and attaches to a red blood cell • Carbon Dioxide diffuses out into the alveoli and is breathed out Capillaries are so narrow only one blood cell can go through at a time Boundary of alveoli is only two cells thick

  10. Carbon Monoxide Poisoning • When we breathe in Carbon monoxide, it takes the place of oxygen on the red blood cells • Since RBC’s cannot carry oxygen, the tissues in the human body start to malfunction • The brain relies on oxygen and is one of the first organs affected • You will feel nausea, head aches, loss of consciousness and more

  11. Breathing • You breath without having to ask your body to do so • If you hold your breath too long, when you fall unconcious, your body will start to breathe again

  12. Control of Breathing • Breathing is mostly involuntary • The brain controls breathing • carbon dioxide builds up in the blood, a signal goes to the brain, the brain sends a message to your lungs to breath

  13. Respiratory Diseases • Diseases that reduce the flow of air into and out of lungs • Asthma: airway swelling and mucus production • Emphysema: the tiny air sacs in the lungs collapse, less oxygen can reach the blood • Chronic Bronchitis: the tissue in the airway swell

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