All of the following are components of nonspecific immunity EXCEPT
A. complement.
B. B cells.
C. skin.
D. lysozyme.
E. phagocytes.
Answer: B
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A. Herd B. Sporadic C. Common-source D. Propagated
What is the main purpose of the extracellular matrix surrounding osteocytes?
a) Cell growth b) Cell division c) Bone repair d) Bone strength
Which is NOT one of the six major classes of nutrients?
A. carbohydrates B. nucleic acids C. vitamins D. water
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