It is a fact that humans are made up of around 60% of water and that is used to explain here how the human mind responds to thirst and hunger. There is a video on youtube which states these facts and explains the same. It is believed that thirst is the response of the body to unbalanced fluid levels in the bloodstream. Moreover, a third response is also generated when the human brain detects high salt level in the blood. Click on Reference below to watch the video.
