physiology

Detailed illustrations and diagrams provide a complete resource on how the human body works and grows, with information on the circulatory and digestive systems, muscles and movement, the nervous system and the brain, and more.

Colorful illustrations and text show and describe how different animals and humans perform excretory functions.

Shows how the inside of the body looks with explanations of how different systems and body parts work.

Featuring detailed illustrations, diagrams, fact boxes, key "Science Words, " and simple experiments, this book looks at different animal species, their anatomy, how they differ, and how evolution has determined their behavioral characteristics.

Take a tour through the most amazing machine in the world.

Presents information on how the ear works, on the hearing ability of various mammals, birds, and insects, and on the secret language of elephants and whales.

Discusses the sense which enables some animals to detect their prey, search for food, signal danger, or find their way back to where they had been long ago.

Explains the sense of touch including information on the function of the skin, how the body measures and feels temperatures, how it responds to pain, and the sensitivity of whiskers.

Explores the sense of taste and how it functions in various animals, birds, insects, and fish.