"Did you know that if you spend one hour reading this book, you'll move your eye muscles about 10,000 times? During that hour you'll also breathe air, hear sounds, and digest food, while your hair grows and your skin cells regenerate. Your neurons may even make a few new connections as you learn from what you read! In Body Systems, you can find out all about the systems of the human body and how they are constantly at work to keep you healthy, keep you growing, and make you who you are."--Provided by publisher.

Grade level: 8, 9, 10, 11, 12, s, t.

Examines the systems and parts of the human body and how they work, including the skin, blood, bones, lungs, and heart.

Introduces the body's anatomical parts and systems, including tissues and cells, skeleton, joints, muscles, blood, heart, lungs, digestive and reproductive systems, brain, and senses.

Uses simple observations and experiments to explore the human body and how it works.

Provides information in a not-so-serious manner about such topics as blood, eyeballs, brains, bruises, constipation, warts, rashes, and more.