Age range 12+ 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. Take a ride through the different organ systems, including the musculoskeletal system, cardiovascular system, respiratory system, nervous system, endocrine system, digestive system, immune system, and urinary system, and investigate each system's role in operating our human body machine. In addition, we'll explore some of the diseases that can affect the human body and what we can do to keep our bodies healthy and fit. Text-to-self and text-to-world connections make learning applicable and fundamental. Combining hands-on STEM activities in anatomy, physiology, biology, chemistry, physics, and nutrition, Inside the Human Body offers entertaining illustrations and fascinating sidebars to illuminate the topic and engage readers further. This book integrates a digital learning component by including links to primary sources, videos, and other relevant websites. Projects include building a model of the lungs to demonstrate how they function, creating a working model of the cardiovascular system, investigating how the immune system protects the body from common illnesses, using vinegar to demonstrate how the stomach breaks down food, and creating a multimedia presentation about a disorder of the endocrine system. Additional materials include a glossary and a list of current reference works, websites, and internet resources.