Book excerpt: Discover the amazing systems in the human body with the Smithsonian! Discover what makes your blood pump and your muscles stretch in this hands-on learning experience! With fascinating facts, full-color photographs, a plastic model skeleton, and 25 fact cards, Smithsonian Exploration Station: Human Body is a fun, engaging way to learn about the inner workings of the complex systems that make the human body. Includes a 56-page fact book, 30 stickers, 1 plastic model skeleton (13 pieces), and 25 fact cards.