Your teeth contains a substance,which is the hardest material in the body
-
dentine
-
enamel
-
pulp
-
calcium
B
Correct answer
Explanation
Enamel is the outermost layer of human teeth and is indeed the hardest substance in the human body, consisting mainly of hydroxyapatite minerals. It protects the softer underlying dentin and pulp layers from decay and mechanical stress. Calcium is present in enamel but isn't the material itself, while dentin and pulp are progressively softer tissues beneath the enamel.