The Concept of Circulatory System

  1. The circulatory system is an organ system that permits blood and lymph circulation to transport nutrients, oxygen, carbon dioxide, hormones, blood cells, etc. to and from cells in the body.
  2. The circulatory system in human and animals consists of blood, blood vessels and heart.
  3. Blood is the medium of transport in the circulatory system in human and animal.
  4. In SPM, you need to know
    1. the composition of human blood
    2. the function of blood and haemolymph in transport
    3. the types of circulatory system
    4. the circulatory system in humans
    5. the regulation of blood pressure
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