The human circulatory system

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The human circulatory system

  1. 1. The Human Circulatory System Adam Tan Pri. 4C
  2. 2. The Heart <ul><li>The heart is a muscle located a little to the left of the middle of the chest about the size of a fist. </li></ul><ul><li>It sends blood around the body, providing it with the oxygen and nutrients it needs. </li></ul>
  3. 3. The Blood Vessels <ul><li>The blood vessels transport blood throughout the body. </li></ul><ul><li>There are three major types of blood vessels: the arteries, the capillaries and the veins. </li></ul>
  4. 4. Blood <ul><li>Blood is a special body fluid that delivers important substances such as nutrients and oxygen, and transports away waste products. </li></ul><ul><li>Blood is made up of red blood cells, white blood cells, plasma and platelets. </li></ul>
  5. 5. Recommended Food Intake <ul><li>Blood accounts for 7% of the human body weight. </li></ul><ul><li>Blood is made up of about 45% red blood cells, 54.3% plasma and 0.7% white blood cells. </li></ul>
  6. 6. References <ul><li>http://en.wikipedia.org/wiki/Blood </li></ul><ul><li>http://en.wikipedia.org/wiki/Circulatory_system </li></ul><ul><li>http://en.wikipedia.org/wiki/Blood_vessel </li></ul><ul><li>http://en.wikipedia.org/wiki/Heart </li></ul>

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