It is seldom considered a nutrient. Many people don't realize the important part water plays in major body functions. Vital Link to Life Water serves as the body's transportation system. It is the medium by which other nutrients and essential elements are distributed throughout the body. Without this transport of supplies the body factory would stop.
Water also works as the transport for body waste removal.
Water is a lubricant. The presence of water in and around body tissues helps defend the body against shock. The brain, eyes and spinal cord are among the body's sensitive structures that depend on a protective water layer. Water is present in the mucous and salivary juices of our digestive systems. This is especially important for moving food through the digestive tract.