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.
The figure for water fraction by weight in this sample was found to be 48 Â±6% for females and 58 Â±8% water for males. The body water constitutes as much as 73% of the body weight of a newborn infant, whereas some obese people are as little as 45% water by weight.