Q91
In a normal human body, the total number of red blood cells is
A.
15 trillion
B.
20 trillion
C.
25 trillion
D.
30 trillion
AnswerAnswer: Option D
Solution
Answer: Option D
Solution:
In a normal human body, the total number of red blood cells is 30 trillion. Women have roughly 4 to 5 million red blood cells per microliter of blood, whereas men have about 5 to 6 million per microliter of blood. Red blood cells comprise approximately 70% of total human body cell number.