🔬 Biology · Digestion and Absorption · NEET

The hard, outermost covering of a tooth, which is the hardest substance in the body, is the:

Answer: Enamel.

Correct answer: C. Enamel

Explanation: Enamel forms the shiny outer layer of the crown of a tooth and is the hardest material in the human body.

The human digestive system. Image: LadyofHats (Mariana Ruiz), Public Domain, via Wikimedia Commons.

Concept context

The digestive tract, digestive enzymes, hormonal control of digestion, and liver function. High NEET weightage.