Respuesta :
The correct answer is Water.
Water is the most important macronutrient for performing all the vital functions of the body. It does not provides energy to the body. The main function of water is to provide a medium for all the metabolic processes that takes place in our body. It helps in absorption of macronutrients but has no nutritive value of its own.Elements such as chloride and fluoride reach the body through this medium.
