Which of the following is the hardest material in the body of animals?
BIOLOGY
POST UTME OAU
Which of the following is the hardest material in the body of animals?
- A) Cartilage
- B) Bone
- C) Enamel
- D) Dentine
Correct Answer: C) Enamel
Explanation
Enamel is the hardest substance in the human body and contains the highest percentage of minerals (at 96%), with water and organic material composing the rest. The primary mineral is hydroxyapatite, which is a crystalline calcium phosphate.
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