calcium
The hardest substance in the human body is tooth enamel.The enamel that coats your teeth is the hardest substance in the human body.enamel of your teeth?
Enamel is the hardest substance in the human body.
The hardest mineral is diamond, which has a hardness of 10 on the Mohs scale.
Diamond is the mineral that has a hardness of 10 on the Mohs scale. It is the hardest naturally occurring substance.
The hardest substance in a rock would be the hardest mineral of which the rock is composed.
Enamal is tha hardest part of human body..
The hardest substance in the human body is tooth enamel.The enamel that coats your teeth is the hardest substance in the human body.enamel of your teeth?
Enamel is the hardest substance in the human body.
Tooth enamel is the hardest substance in the human body because it was evolved or chosen based on what it has to do. Humans (and a lot of other animals) require it to cover teeth through a whole lifetime of biting and/or chewing food.
The hardest mineral is diamond, and the softest mineral is talc.
The jawbone.
Diamond is the hardest mineral known.
Diamonds are the hardest mineral and the agate is the secod hardest mineral.
Diamond is the hardest mineral on earth.
The most common mineral found in the human body is calcium.
Enamel is the hardest tissue of the human body. It contains only a slight amount of organic substance.
Tooth enamel.