Product Description: All our movements depend on our amazing muscles. In this lively volume, readers will discover how the three kinds of muscles, skeletal, cardiac, and smooth, work in collaboration with their other body parts to keep them moving. Theyll learn what extraordinary machines the human bodys more than 600 muscles are as well as how to keep them healthy and toned...read more

Product Description: Presents an introduction to the lungs and the respiratory system, offering information on lung structure, function, and maintaining lung health.