Which is the hardest substance in the human body?

Everyday Science Mcqs 04/03/2024

A. Tooth enamel
B. Skull
C. Knee cap
D. Rib


Enamel is the hardest substance in the human body and contains the highest percentage of minerals, 96%, with water and organic material composing the rest. The primary mineral is hydroxyapatite, which is a crystalline calcium phosphate

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