The human body is unmatched by any other species on Earth. Explore our amazing anatomy in fine detail before delving into the intricacies of the complex processes, functions and systems that keep us going through incredible illustrations, photography and explanations. Take the head-to-toe tour and begin to see yourself in a whole new light! Featuring: 50 amazing body facts - Discover some intriguing trivia about the human body. Human anatomy -

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"Did you know that there are approximately 500 species of bacteria in the intestines? The surface area of the small intestine is 2,700 square feet (250 square meters). Discover more fascinating facts in How the Human Body Works - The Digestive System. This series guides readers through the fascinating inner workings of the human body. The human body contains several complex systems that work closely together to support life and allow the body to function...

"Did you know that about 20 percent of the body's energy is used by the brain? The average adult brain weighs 3 pounds (1.5 kilograms). Discover more fascinating facts in How the Human Body Works - The Nervous System. This series guides readers through the fascinating inner workings of the human body. The human body contains several complex systems that work closely together to support life and allow the body to function properly. Each book explores...

"Did you know that the largest bone in the human body is the femur? In adults, the skeleton makes up 15 percent of the body's weight. Discover more fascinating facts in How the Human Body Works - The Skeletal System. This series guides readers through the fascinating inner workings of the human body. The human body contains several complex systems that work closely together to support life and allow the body to function properly. Each book explores...