These 5 elements combine to give rise to the three primary life forces in the body (the three biological humours or Doshas) : Vata, Pitta and Kapha.

• 人体的所有实体结构，坚硬及紧密的组织皆源于“土”，例如：骨头、软骨、指（趾）甲、毛发、牙齿与皮肤。