HEAR DIFFERENT OPINIONS ON THE HARDEST SUBSTANCE IN THE HUMAN BODY

Have you ever wondered what the hardest substance in the human body is?

The answer is: TOOTH ENAMEL 

Tooth enamel is the hardest substance in the body.

This resilient surface is 96 percent mineral. The highest percentage of any tissue in your body – making it durable, plus it is damage-resistant.

Now watch the video below where we asked people on the streets what the hardest substance in the human body is.