Explains the various parts of the human skeleton and different types of muscles and their functions.

A basic introduction to how our bodies see, exploring such topics as light and dark, color, and glasses.

Describes the parts of the circulatory system and how they function.

Describes the appearance, characteristics, and function of each part of the digestive system.

Looks at human vision, including how it works, what its purposes are, how some disorders affect the way people see, and how to maintain healthy eyes.

Need for sustainable farming -- History of farming -- Environmental problems -- Farming in a globalized world -- Solving the environmental problems -- Meeting people's needs -- Glossary -- Further information.

Explains how our plant classification system works and looks at how scientists use it to identify and group plant species. The book also examines the variation between and within plants species and discusses how and why such variations have occurred.

Introduces the parts of the ear and explains how they help us hear sounds.