Which is the hardest substance in the human body?
2022
Which is the hardest substance in the human body?
- A.
Kneecap
- B.
Finger Nails
- C.
Tooth Enamel
- D.
Skull Bones
Attempted by 135 students.
Show answer & explanation
Correct answer: C
The hardest substance in the human body is tooth enamel, not kneecap. Enamel has a high mineral content that makes it extremely resistant to wear and damage.