NREMT Paramedic

Category - Medical

Red blood cells do which of the following?
  1. Are essential to the formation of blood clots, which are necessary to stop bleeding.
  2. Carry oxygen to cells and carbon dioxide away from cells
  3. Are part of the body's immune system.
  4. Help defend against infection.
Explanation
Answer: B - The red cells give the blood its color, carry oxygen to the body cells, and carry carbon dioxide away from the cells. Hemoglobin on the surface of the red blood cells is responsible for carrying oxygen molecules and carbon dioxide. The oxygen and carbon dioxide molecules are carried on the different sites on the hemoglobin molecule.
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