Bill Nye the Science Guy answers questions about bones and muscles, and conducts an experiment that demonstrates how a mild acid can deplete calcium from bones.
Presents an introduction to human bones and muscle systems, explaining how bones and muscles are living organisms that give bodies shape, structure and protection, while performing the important job of helping to make blood.
Takes an inside look at the muscles of the human body and how they function, and offers tips for keeping them healthy. Features activities, full-color photographs, and a glossary.
Presents an overview of the muscular system, including what it is, how it works, and the different body parts that compose it. Includes a glossary and a list of additional resources.
