Answer the following question given this paragraph: 

Vitamins are organic compounds that the body needs in small amounts to function properly. Humans need 13 different vitamins. Some of them are listed below ( Table below ). The table also shows how much of each vitamin you need every day. Vitamins have many roles in the body. For example, Vitamin A helps maintain good vision. Vitamin B 9 helps form red blood cells. Vitamin K is needed for blood to clot when you have a cut or other wound.


Q: What are the organic compounds that the body needs in small amounts to function properly; humans need 13 different ones?


A:
vitamins