(A) 1 – 5 days (X)
(B) 3 – 7 days (X)
(C) 4 – 8 days (X)
(D) 5 – 21 days ()
Answers: 5 – The lifespan of White Blood Cells is21 days day(s).
(A) 1 – 5 days (X)
(B) 3 – 7 days (X)
(C) 4 – 8 days (X)
(D) 5 – 21 days ()
Answers: 5 – The lifespan of White Blood Cells is21 days day(s).
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