History & Culture. In April 1917, the United States entered World War I on the side of the Allies. Previously angered by the sinking of Lusitania, President Woodrow Wilson led the nation to war after learning of the Zimmermann Telegram and Germany's resumption of unrestricted submarine warfare.
WATER AND HUMANS. * The human body is more than 60 percent water. Blood is 92 percent water, the brain and muscles are 75 percent water, and bones are about 22 percent water. * A human can survive for a month or more without eating food, but only a week or so without drinking water.
How much water does your body need? The exact figure depends on health, sex, age, lifestyle and the climate we live in, but on average, our bodies are 65% water. And each day we lose around two and a half litres of water through urine (1500 ml), faeces (150 ml), sweat (350 ml) and simply breathing (400 ml).