The notable hardness of bone is attributed to ________. the notable hardness of bone is attributed to ________. the presence of glycoproteins the presence of cartilage the presence of collagen fibers the presence of proteoglycans the presence of inorganic hydroxyapatites

Respuesta :

 The notable hardness of bone is attributed to the presence of inorganic hydroxyapatites. Due to the calcium salts deposited in it, resulting to the hardness. The abnormal hardness of bone, which allows it to resist the compression.