Question

What are human teeth made of?

• A. Bone
• B. Keratin
• C. Dentine and enamel
• D. None of these

Answer 1

Answer:

C. Dentine and enamel

Human teeth are made up of four different types of tissue: pulp, dentin, enamel, and cementum. The pulp is the innermost portion of the tooth and consists of connective tissue , nerves, and blood vessels, which nourish the tooth.