4chapter37

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4chapter37

  1. 1. Chapter 37 Circulatory and Respiratory Systems
  2. 2. The Circulatory System <ul><li>- The main source of the circulatory system is the heart. </li></ul>
  3. 3. Function of the Circulatory System <ul><li>The heart pumps blood to the lungs and the rest of the body. </li></ul>
  4. 4. Blood Vessels <ul><li>Blood is being transferred through 3 types of vessels: </li></ul><ul><li>- Arteries </li></ul><ul><li>- Capillaries </li></ul><ul><li>- Veins </li></ul>
  5. 5. Blood Pressure <ul><li>- Wave of fluid pressure in the arteries </li></ul><ul><li>Sphygmomanometer is a machine to measure blood pressure. </li></ul><ul><li>Normal blood pressure 120/80 </li></ul>
  6. 6. Disorders <ul><li>Some disorders in the circulatory system are: </li></ul><ul><li>- High Blood Pressure </li></ul><ul><li>- Heart Attack </li></ul><ul><li>- Stroke </li></ul><ul><li>- Sickle cell anemia </li></ul>
  7. 7. The Organs of the Respiratory System <ul><li>The 6 main organs of the Respiratory System are: </li></ul><ul><li>- Nose </li></ul><ul><li>- Pharynx </li></ul><ul><li>- Larynx </li></ul><ul><li>- Trachea </li></ul><ul><li>- Bronchi </li></ul><ul><li>- Lungs </li></ul>
  8. 8. Gas Exchange <ul><li>Carbon dioxide is being exchanged with oxygen. </li></ul>
  9. 9. Breathing <ul><li>When you breathe in (inhale) the diaphragm contracts. </li></ul><ul><li>When you breathe out (exhale) the diaphragm relaxes. </li></ul>
  10. 10. How is breathing controlled? <ul><li>It is controlled by the brain. </li></ul><ul><li>Also, its controlled by the level of carbon dioxide in the blood. </li></ul>
  11. 11. Smoking <ul><li>The 3 main substance in tobacco are: </li></ul><ul><li>- Nicotine </li></ul><ul><li>- Carbon Monoxide </li></ul><ul><li>- Tar </li></ul><ul><li>There are 3 diseases you can get from smoking: </li></ul><ul><li>- Chronic bronchitis </li></ul><ul><li>- Emphysema </li></ul><ul><li>- Lung Cancer </li></ul>

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