This book, "Your Body from Within," offers an insightful and accessible journey into the complex world of the human immune system. It demystifies the intricate mechanisms that protect us from pathogens, from the initial lines of defense to the sophisticated adaptive responses. Readers will explore the roles of various immune cells, antibodies, and the fascinating processes of immunity, inflammation, and autoimmune disorders. Written to be understood by a broad audience, this guide illuminates how our bodies constantly fight to maintain health, making the often-abstract science of immunology tangible and compelling for anyone curious about their inner biological defenses.