The Human Body

The human body is made up of trillions of cells that keep us going. But how do these cells come together to form tissues and organs? And what are the hidden connections between the body’s many elaborate systems? This series explores the complex human body in easy-to-digest, encyclopedic-style entries that are perfect for both browsing and deeper research. Captivating photos and detailed infographics are paired with straightforward explanations, fascinating facts, and spotlights on breakout moments of discoveries. A final Review and Reflect feature allows readers to check for understanding and think deeper. From the inner workings of the brain to the electricity that keeps the heart beating, let’s explore the human body.