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Biology, 30.01.2020 15:59 kayla941

Which of the following is true regarding white blood cells or leukocytes?
a. leukocytes are smaller than red blood cells.
b. leukocytes contain hemoglobin.
c. leukocytes defend the body against pathogens.
d. the most common leukocyte is the monocyte.

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a. leukocytes are...

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