Ever wondered how the food you eat becomes the energy your body needs to keep going? If DNA is a set of instructions in your cells, how does it tell your cells what to do? How does your brain know what your feet are doing? The theory of evolution says that humans and chimps descended from a common ancestor, but does it tell us how and why? We humans are insatiably curious creatures who can’t help wondering how things work – starting with our own bodies. Wouldn’t it be great to have a single source of quick answers to all our questions about how living things work? Now there is. From molecules to animals, cells to ecosystems, Biology For Dummies answers all your questions about how living things work. Written in plain English and packed with dozens of illustrations, quick-reference “Cheat Sheets” and helpful tables and diagrams, it can get you quickly up to speed on what you need to know to:

Understand how cells work
Ge t a handle on the chemi stry of life
Find out how food becomes energy
Get to know your body’s systems
Decode the secrets of DNA
Find out what evolution is and isn’t and how it works
Take a peek into the lives of bacteria
Explore how viruses do their thing