Cells are life's building blocks. A cell cannot be seen without a microscope, yet this tiny chemical package holds all the ingredients of life. All living things are made up of millions and millions of cells working together. This revised and updated edition of the Cells & Life series explores all aspects of cells, including brief overviews of important scientific achievements in the field. All animals, including humans, are made up of millions of cells. Animals looks at the differences between the cells in a plant and the cells in an animal. It shows how an animal's cells are adapted to its active, mobile lifestyle, and explores how these cells specialize to perform different tasks, from fighting infection to transporting nutrients. Each book Charts and diagrams of important information Further reading and websites Extensive glossary and index