Explains how specialized cells in the body function to heal simple wounds and injuries.

If you look at a piece of a leaf or a drop of saliva through a microscope, what do you see? Cells are the basic building blocks of life and they make up every living thing, from plants to animals, from humans to bacteria! In Cells: Experience Life at Its Tiniest, readers ages 12 to 15 investigate cells and learn how they affect our health, reproduction, criminal investigations, and agriculture.

Sam and his mother talk about the different kinds of cells in his body, how they grow, and how in doing so they help him grow.

"Follows the function of cells, how they're made, and the English scientist, Robert Hooke, who discovered them by examining a piece of cork."--