Heart Anatomy Cardiovascular System Lesson Anatomy Physiology Activity and QuizEngage high school anatomy students with this complete heart anatomy and blood flow lesson — guided notes, scenario-based activity, Google Forms quiz, and exit ticket covering chambers, valves, blood flow, the cardiac cycle, EKG reading, and heart sounds. Print and digital. This heart anatomy lesson is the one where the cardiovascular system finally clicks. We start with the four chambers and four valves on a labeled