Cells are the smallest units capable of sustaining life, and they make up virtually every aspect of the human body. From the strands of hair at the top of the head to the nails on fingers and toes, every structure of the human body is composed of cells. Groups of cells form tissues and organs, which allow the body to function as an organized system. Skin, the body’s largest organ, forms a waterproof barrier that provides protection against invading microorganisms and acts as a sensory and thermoregulatory structure. Cells, Tissues, and Skin, Third Edition explores the properties of each of these components in our bodies. Packed with full-color photographs and illustrations, this absorbing book provides students with sufficient background information through references, websites, and a bibliography.
A great deal of what is known about genetics and inheritance is thanks to what has been learned by studying microbes. Supporting the Next Generation Science Standards on heredity and inheritance of traits as well as the structures and processes of simple and complex organisms, this book introduces all of the various types of microbes found on Earth, and in and on human bodies: bacteria, archaea, and protists. Through engaging language that simplifies complicated science concepts into easily digestible pieces of information and detailed images and diagrams, students will learn about the discovery, evolutionary history, and roles of microbes in health, disease, and the functioning of our planet. Sidebars provide students with additional information to help them gain a deeper understanding of the diversity of life.
Why are some people lactose intolerant? What happens to the brain during and after a concussion? What causes acne breakouts? The answers to these questions and many more are found in the biology of the human body. Featuring relatable scenarios and hands-on activities, this book details how biology affects practically everything in a person's everyday life. Sidebars consider myths about acne, sex testing in sports, antibiotic resistance, mental health, and how microorganisms transform food. Supporting Next Generation Science Standards in Middle School Life Science, this book provides students with a deeper understanding of the process of science and the importance of biology in their lives.
Until John Wilkes Booth killed Abraham Lincoln, the assassination of a U.S. President was considered unthinkable. All of that changed on April 14, 1865, when Booth shot Lincoln as the president watched the play Our American Cousin. What led Booth to commit this murder, and what effect did this deadly act have on the United States? With this book, readers will take a closer look at this history-making event as well as the lives of Lincoln and Booth before their fateful encounter. Booth may have assassinated Lincoln, but even today the 16th president remains one of the nation's most respected.
Computers and technology play central roles in our lives for work, entertainment, communication, and information management. It is difficult to imagine a time without these tools and even harder to envision living without them now. How were these wonderful toys of technology created? Who is developing future innovations? Think of some of the most famous and familiar services and platforms: Google, eBay, Yahoo, Facebook. Did you know that immigrants such as Sundar Pichai, Jerry Yang, and Jan Kuom, are the creative engines behind these tech juggernauts? This book tells the story of seven of the amazing Americans changing our world.
Praise for the previous edition: SSLI "Honor Book," Science, Grades 7–12 category—Society of School Librarians International The immune system is crucial to the normal functioning of the human body. As the body's "military," it prevents invaders from entering and destroys those who slip past its defenses. The Immune System, Third Edition discusses the human body's fundamental defense system, from its component parts to what happens when the body's defenses are breached. Common and uncommon immune disorders are also discussed, as are potential new therapies to enhance or repair the immune system. Packed with full-color photographs and illustrations, this absorbing book provides students with sufficient background information through references, websites, and a bibliography.
Praise for the previous edition: "...well-developed...clear and detailed...useful at the secondary level in health and anatomy classes and for research...Recommended."—Library Media Connection Breathing is essential to human survival, as it gives us the necessary oxygen we need to live. Yet the act of respiration is an involuntary process, something many people do not think about on a day-to-day basis. The Respiratory System, Third Edition explains how we get air into our lungs, how our bodies use that air, and the fundamental physical and biological principles underlying respiratory function. In addition, this essential title examines several respiratory diseases and how they affect the body as a whole. Packed with full-color photographs and illustrations, this absorbing book provides students with sufficient background information through references, websites, and suggested reading for further study.
Composed of the heart, blood vessels, and blood, the circulatory system delivers oxygen and nutrients to every tissue in the body. At the center of this incredibly complex system is the heart, a strong muscle that continuously pumps blood throughout the body. Striving to promote a basic understanding of the fundamental physical and biological principles underlying circulatory functions, The Circulatory System, Third Edition describes the anatomical features of the system and examines how it responds to a broad range of challenges, such as increased activity, the microgravity of space, and hemorrhage. Packed with full-color photographs and illustrations, this absorbing book provides students with sufficient background information through references, websites, and a bibliography.
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