Answer : 1 Tooth Enamel Explanation : Answer: A) Tooth Enamel Explanation: Tooth Enamel is the hardest and most highly mineralized substance in the human body. It is a tissue and not a bone. This tissue has high mineral content which makes it hardest substance. Femur and Temporal bone of the skull are the hardest bones of the human body.
Click here to see the full blog post