Water makes up 60 percent of your total body, 70 percent of your brain and 90 percent of your lungs. Water is essential for your body’s survival. Read more:https://www.healthline.com/health/food-nutrition/why-is-water-important?utm_source=Sailthru%20Email&utm_medium=Email&utm_campaign=generalhealth&utm_content=2018-04-17AND:http://www.uhhospitals.org/myuhcare/health-and-wellness/better-living-health-articles/2018/february/importance-of-water?utm_source=MailChimp&utm_medium=Email&utm_campaign=Better_Living_Boomers_March_2018&utm_content=Importance_of_Water