Question

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.

Answer 1

I think each white blood cell contain millions of himogolbin molecules

think it was right

Answer 2

answer is (ii).............