Which is the hardest substance in the human body:

Which is the hardest substance in the human body:
Answer: Tooth enamel

Tooth enamel, a highly mineralized substance, is the hardest material in the human body, protecting teeth from wear. Studying this highlights its role in dental health, the challenges of maintaining oral hygiene, and its biological significance. It also offers insights into how natural materials function, providing lessons on advancing dental care and biomaterials research to improve health and durability in medical applications.