The human body comprises 11 major systems: networks of cells, tissues, and organs that perform specific functions. Together, they support life. If one fails, it affects the others, producing signs of illness. By learning about the anatomy and physiology of the body systems, vocational nurses (LVNs) and medical assistants (MAs) can better understand what symptoms mean, how they’re treated, and how they affect the lives of the patients they serve.   What Are the 11 Human Body Systems?   The 11 body systems encompass every part of the body. They work synergistically to maintain homeostasis, the delicate equilibrium between separate but [...]