Final answer:
The human body needs at least 13 specific vitamins to function properly. These vitamins play various roles in the body and are essential for maintaining good health.
Step-by-step explanation:
The human body needs at least 13 specific vitamins to function properly. These vitamins are essential nutrients that the body needs in small amounts. Some examples of vitamins are Vitamin A, Vitamin B6, Vitamin B12, Vitamin C, Vitamin D, Vitamin E, and Vitamin K. Vitamins play various roles in the body, such as maintaining good vision, forming red blood cells, assisting in blood clotting, protecting red blood cells, and helping the functioning of certain enzymes.