The Circulatory System course uses scientific and educational references for its anatomy explanations, diagrams, and interactive material. Third-party interactive models are credited separately.
Innerbody's cardiovascular guide covers the heart, blood vessels, blood, pulmonary and systemic circulation, and major vessel types. It is the interactive cardiovascular-system reference used on the course overview page.
Open Innerbody source →Interactive external heart model by HannahNewey. The model is embedded on the Circulatory System course and Lesson 02.
Open Sketchfab model →Black-and-white anatomical illustration showing the heart and major blood-vessel network. NIDDK provides the image and its required NIH/NIDDK credit.
Open NIDDK source →NIDDK media references used for visualizing cardiovascular anatomy and the relationship between the heart and blood-vessel network.
Open NIDDK source →National Heart, Lung, and Blood Institute reference covering the four chambers of the heart, valves, and direction of blood flow.
Open NHLBI source →Labeled heart anatomy diagram used as a visual reference for the chamber and vessel lesson.
Open Wikimedia source →