Multiple Choice
Although blood is a fluid, nearly half its volume is composed of cells. The most numerous cells are _________. The remainder of the cells are_________, which help the body defend itself against foreign particles and microorganisms.
A) erythrocytes : leukocytes
B) leukocytes : erythrocytes
C) platelets : leukocytes
D) erythrocytes : platelets
Correct Answer:
Verified
Correct Answer:
Verified
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