Multiple choice

Which of the following statements is/are correct?

a. Tooth enamel is the hardest part in a human body. b. Dentine contains nerves and blood vessels. c. The sticky, yellowish layer of food particles and bacteria on the teeth is called dental caries.

  1. a only

  2. b only

  3. c only

  4. a and b

  5. a and c

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

This is the correct answer as only statement a is correct.