When we turn on a faucet, water comes pouring out. We see water in ponds and puddles. It's easy to take water for granted but without water humans, could not survive! Readers will discover why water is so important to our health. They'll also learn the answers to these questions: Why does our blood need water? How does water help us digest our food and remove waste from our bodies? How much water do we need to drink each day? Can we get water from the foods we eat? And how much of a person's body is made up of water? Filled with information perfectly suited to the abilities and interests of an early elementary audience, this colorful, fact-filled volume gives readers a chance not only to learn, but also to develop their powers of observation and critical thinking. With its stunning photographs and surprising, high-interest facts, this book makes learning about water an engaging experience.