Which of the following statements are true?I. Each white blood cell contains millions of hemoglobin molecules.II. In a sample of blood, there are more red blood cells than white blood cells.III. HIV destroys red blood cells.IV. All blood cells come from one pool of stem cells.

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Revolt · Accepted Answer

II and IV only

Lab: Disease Spread — Unit test

Which of the following statements are true?I. Each white blood cell contains millions of hemoglobin molecules.II. In a sample of blood, there are more red blood cells than white blood cells.III. HIV destroys red blood cells.IV. All blood cells come from one pool of stem cells.

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