ch5 circulatory system

• main functions of circulatory system

  • transport oxygen + nutrients to all cells of the body
  • transport carbon dioxide + other waste products away from the cells
  • transport chemical messengers to cells (hormones)
  • maintain pH of body fluids
  • distribute heat + maintain body temp
  • maintain water content + ion concentration
  • clotting when vessels are damaged, preventing blood loss
  • protect against disease-causing micro-organisms