Meet the endocrine system it helps regulate your body's many functions! Join colorful characters as they explore how glands regulate the body's systems by releasing hormones. Readers will learn about life cycles, hormones, the reproductive system, glands, puberty, reproduction, and growth. The graphicnovel format helps to hook students and communicate biological concepts in full color. For more content on the wonders of the body, check out other titles in the Building Blocks of the Human Body series!