Halvorson, Karin

A look at the germs that are inside our bodies.

Describes the function, characteristics and the care needed for your kidneys.

Describes the function, characteristics of your blood inside your body.

Takes an inside look at the muscles of the human body and how they function, and offers tips for keeping them healthy. Features activities, full-color photographs, and a glossary.

Takes an inside look at the skin, hair, and nails of the human body and how they function, and offers tips for keeping all three healthy. Features activities, full-color photographs, and a glossary.

A fun and easy introduction to how bones work.

Illustrations, photos, text, and simple activities introduce how the heart works to children.

Illustrations, photos, text, and simple activities introduce how the brain works to children.

Illustrations, photos, text, and simple activities introduce how the lungs work to children.

Provides an introduction to the human eye, discussing its structure, and it works.