Question

name the hardest substance present in human body writes its constituents​

Answer 1

Answer:

Tooth Enamel is the hardest part of human body.

Explanation:

1. It's protect the layer of teeth.
2. Enamel is made up of mostly of minerals , primarily hydroxypatite

Answer 2

Answer:

Enamel is the hardest substance in the human body and contains the highest percentage of minerals,[3] 96%, with water and organic material composing the rest.[4] The primary mineral is hydroxyapatite, which is a crystalline calcium phosphate.[5] Enamel is formed on the tooth while the tooth is developing within the gum, before it erupts into the mouth. Once fully formed, it does not contain blood vessels or nerves.

Explanation:

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