92 WATER AND ITS EVERYDAY USES 



most foods, even though they seem dry, contain quite 

 a good deal of water? Our doctors tell us we should 

 drink from six to eight glasses of water a day, some of 

 which may be taken in the form of milk. We can see 

 a reason for this now that we know that all foods and 

 our own body contain so much water. Water is also 

 used not only to carry foods from one part of the body to 

 another, for foods have to be dissolved in the blood before 



Do all living things contain water? Mention something that 

 does not. 



they can be used, but it is used in the growth and repair 

 of the cells of our body. If we examine a young growing 

 shoot of a plant, we will find that the rapidly growing 

 part is much softer and juicier than the older parts. This 

 is because it contains more water. Not only is water 

 used in the body to transfer foods, but it is also necessary 

 to get rid of wastes. Some of the most poisonous body 

 wastes are passed off in the urine and in perspiration. 



How We May Make Water Safe for Drinking. Many 

 of us have visited friends in the country and remember 

 with pleasure the cold water from the wells or springs 

 near their homes. But a glance at the picture will show 



