Illustrated Human Biology [antikvár]

Chapter IFood water and nutritionWater is more important than food in maintaining life. A humanbeing left without water dies very quickly, but survival is possiblefor several weeks without food because there are stores in thebody. Sugar is stored in the liver and fat in the skin.Water and food pass through a long tube in the body called the gut.The scientific name for the gut is the alimentary canal. In thediagrams that follow the simpler name is used. You may prefer touse the scientific name.