Whats the hardest substance in the human body?

Question : Whats the hardest substance in the human body?

Answer : Tooth enamel is the hardest substance in the human body.

7 little words

1. Two-door Plymouth model
2. Bruise around the eye
3. Roosting rod 7 Little Words
4. Easy mark 7 Little Words
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6. Hairstyle 7 Little Words
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