Biology
NULL
Medium
Question
It has been estimated that in a normal person plasma constitutes about ________ by volume of blood.
A
0.35
B
0.45
C
0.55
✓ Official correct answer
D
0.75
Community credibility
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A
0.35
No member explanations yet for this option.
B
0.45
No member explanations yet for this option.
C
0.55
No member explanations yet for this option.
D
0.75
No member explanations yet for this option.
Explanation
In a normal person, blood plasma typically makes up about 55% of total blood volume, with the remaining volume consisting mainly of red blood cells, white blood cells, and platelets.