<p>Carnegie Mellon's Open Learning Initiative offers a free, self-paced Anatomy & Physiology I & II course for independent learners. The curriculum covers how the human body is organised and how its systems work together to maintain health, and can serve as a full textbook replacement for a typical 14-week semester class or as supplemental study material.</p><ul><li>Fifteen units spanning cellular biology through skeletal, muscular, cardiovascular, respiratory, urinary, endocrine, digestive, lymphatic, and nervous systems</li><li>Interactive 3D images, walkthrough videos, and self-assessment tools built into each module</li><li>No prerequisites; open to independent learners worldwide</li><li>No instructor, tests, college credit, or certificate of completion</li><li>Free access via the OLI platform</li></ul><p>Launch the course directly from Carnegie Mellon's OLI site to begin learning at your own pace.</p>