The human circulatory system

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