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IMSO 2019 Science International - Theory I Question 18

IMSO Science · IMSO 2019 Science International - Theory I

Question 18

Which sentence best describes the components of human blood?
  1. Red blood cells, white blood cells, green blood cells and plasma
  2. Only red blood cells, white blood cells and platelets
  3. Red blood cells, white blood cells, platelets and serum
  4. Red blood cells, white blood cells, platelets and plasma