What is Human Body?
Your body is a complex system of specialized organs and tissues working together to keep you alive. Understanding human anatomy and physiology helps you make informed decisions about health, recognize how different systems interact, and appreciate the remarkable engineering of the human body.
In this area, you'll explore major body systems, their functions, and how they work together. Topics include nutrition, the nervous system, circulation, respiration, and immunity—the systems that keep us alive and healthy.