There are more than six billion humans who all share the same basic structure. Scientists categorize body parts by function. There are many systems such as the cardiovascular system, the respiratory system, the digestive system, the urinary system, and the endocrine system. The body is an amazing machine, and these are just a few of the parts!

"Learn about the different bodily systems that keep people breathing, moving, thinking, and staying healthy." -- back cover.

"What is the most complex machine on earth? The human body! With Inside the Human Body, we'll peel back the layers to take a look inside this amazing machine and learn the basic anatomy of the human body and its bones, muscles, blood vessels, nerves, and organs. STEM activities, text-to-self and text-to-world connections, links to online resources, and fascinating trivia make learning applicable and fundamental."--Provided by publisher.

Muscles help us lift, push, pull, and move. Eager readers will explore the different kinds of muscles, how their muscles work, and how to take care of them.

Humans have become much taller and heavier, and experience healthier and longer lives than ever before in human history. However it is only recently that historians, economists, human biologists and demographers have linked the changing size, shape and capability of the human body to economic and demographic change. This fascinating and groundbreaking book presents an accessible introduction to the field of anthropometric history, surveying the causes and consequences of changes in health and mortality, diet and the disease environment in Europe and the United States since 1700. It examines how we define and measure health and nutrition as well as key issues such as whether increased longevity contributes to greater productivity or, instead, imposes burdens on society through the higher costs of healthcare and pensions. The result is a major contribution to economic and social history with important implications for today's developing world and the health trends of the future.

Human Bones combines an intriguing discussion of the function and design of human bones with stunningly beautiful color photographs that capture their unique elegance. R. McNeill Alexander, the world's foremost authority on biomechanics, takes the reader on a tour of the human skeleton, investigating and celebrating the human body's 213 bones. Alexander explores the nature of human bones as well as their relationship with other parts of the body in this lucid and informative book. Beginning by reminding readers that bones are living organs-they grow, suffer damage, and repair themselves just like other organs-Alexander elucidates the form and function of the myriad bones in the skull, the arms and legs, and the torso. How the bones in the arm combine with the torso at the shoulder to create a wide range of motion, and the relationship among the various parts of the skull-the nose and mouth cavities, for example-are some of the topics explored. Counterintuitive insights are revealed along the way with the help of do-it-yourself interactive experiments that prompt readers to investigate their own bodies. Why different people's bones are different is examined in detail by Alexander. This knowledge is behind important work in forensic science and archaeology: it informs the art behind the reconstruction of faces from skulls, and the composition of bones betrays information about the lives of individuals and their daily habits. Throughout the work Alexander places bones in their ancestral context, explaining the principles of evolution and how these relate to utility, and he devotes an entire chapter to exploring the evolutionary relationship between human bones and those of other mammals. Alexander's authoritative, crystalline prose, Diskin's 115 color photographs, and superb graphic design have united in this remarkable book to showcase the extraordinary beauty at the core of our bodies.