The notable hardness of bone is attributed to
A. the presence of inorganic hydroxyapatites
B. the presence of glycoproteins
C. the presence of collagen fibers
D. the presence of cartilage
Answer:A
The notable hardness of bone is attributed to
A. the presence of inorganic hydroxyapatites B. the presence of glycoproteins C. the presence of collagen fibers D. the presence of cartilage