3chapter37

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3chapter37

  1. 1. CHAPTER 37: Circulatory and Respiratory Systems Alana and Haley
  2. 2. What is the Circulatory System? <ul><li>It consists of: </li></ul><ul><li>The Heart </li></ul><ul><li>Blood Vessels </li></ul><ul><li>Blood </li></ul><ul><li>It transports blood throughout </li></ul><ul><li>the body. </li></ul>heart Blood vessels blood Alana and Haley
  3. 3. Heart and Blood Pressure <ul><li>Systemic Circulation </li></ul><ul><li>Pulmonary Circulation </li></ul><ul><li>Heart pumps blood </li></ul><ul><li>through the </li></ul><ul><li>body using </li></ul><ul><li>contractions </li></ul><ul><li>Heart is about </li></ul><ul><li>the size </li></ul><ul><li>of your fist </li></ul>Alana and Haley
  4. 4. Blood Vessels <ul><li>Usually, oxygen rich blood </li></ul><ul><li>through arteries </li></ul><ul><li>Usually, oxygen </li></ul><ul><li>poor blood </li></ul><ul><li>Through veins </li></ul>Alana and Haley
  5. 5. Blood Plasma <ul><li>Made of 90% water </li></ul><ul><li>10% dissolved gasses </li></ul><ul><li>Contains salts, nutrients, enzymes, hormones, waste products, and plasma proteins. </li></ul>Alana and Haley
  6. 6. Blood Cells <ul><li>Red blood cells transport </li></ul><ul><li>oxygen </li></ul><ul><li>White blood cells </li></ul><ul><li>fight infection </li></ul><ul><li>Platelets help </li></ul><ul><li>with blood clotting </li></ul>Alana and Haley
  7. 7. The Lymphatic System <ul><li>A network of vessels </li></ul><ul><li>that collect fluids lost </li></ul><ul><li>by the blood </li></ul><ul><li>Then, it returns it to the </li></ul><ul><li>Circulatory system </li></ul>Alana and Haley
  8. 8. What is the Respiratory System? <ul><li>Consists of nose, </li></ul><ul><li>larynx, </li></ul><ul><li>trachea, </li></ul><ul><li>lungs, </li></ul><ul><li>bronchi, </li></ul><ul><li>and alveoli </li></ul>Alana and Haley
  9. 9. Gas Exchange <ul><li>Occurs by diffusion </li></ul><ul><li>across membrane of </li></ul><ul><li>an alveolus and capillary </li></ul>Blue=oxygen Green=carbon dioxide Alana and Haley
  10. 10. Breathing <ul><li>When you inhale, </li></ul><ul><li>diaphragm contracts </li></ul><ul><li>When you exhale, </li></ul><ul><li>diaphragm relaxes </li></ul>Alana and Haley

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