Three Doshas and thier function in our bodies

Vata is the combination of Ether and Air elements. It governs breathing, blinking, muscle and joint movements, blood circulation and all the movements in the body

Pitta is the combination of Fire and Water elements. It governs digestion, metabolism, assimilation, body temperature and all the transformations. 

Kapha is the combination of Earth and Water. It governs structure and building of the tissues and maintains immunity.