Multiple Choice
Hydroxyapatite crystals are packed into bone marrow,giving bone its hardness.These crystals are composed of calcium and phosphate,which make bone hard.
A) Both statements are true.
B) The first statement is true;the second statement is false.
C) The first statement is false;the second statement is true.
D) Both statements are false.
Correct Answer:

Verified
Correct Answer:
Verified
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