Biology, 25.06.2019 04:10 edjiejwi

Which of the following is true of red blood cells? a. they have multiple nuclei b. once created in bone marrow, they circulate for our lifetime c. they live for only 120 days d. they live for only about 20 days

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Which of the following is true of red blood cells? a. they have multiple nuclei b. once created in...