Cells are the building blocks of life and diversify in amazing ways to create every form of living thing. This authoritative guide covers the basics of what a cell is and how cells reproduce and change in order to form different life forms and perform specialized functions. It also covers how scientists have learned to manipulate and regenerate cells, leading to advances in medicine. The controversy surrounding cloning technology is discussed, as...

"The human body is an amazing machine made up of many fascinating systems. This fun, fact-filled book features a series of questions and answers about how the human body works. Readers will learn what hormones do and how blood travels through the body. Colorful images and clear diagrams make it easy to understand these important biology and health concepts. A further information section provides additional resources for readers who are interested...