Which is true about white blood cells (leukocytes)
A. are larger in size than red blood cells
B. are more in number than red blood cells
C. do not contain hemoglobin
D. contain nucleus
Answer:A
Which is true about white blood cells (leukocytes)
A. are larger in size than red blood cells B. are more in number than red blood cells C. do not contain hemoglobin D. contain nucleus