Merck Sharp & Dohme Corp.
Merck Manual: Biology of the Heart
The Merck Manual describes the human heart and shows how the heart pumps blood. Includes interactive 3D models.
American Heart Association
American Heart Association: Congenital Heart Defects: Aortic Valve Stenosis
Explore aortic valve stenosis, the improper closure of the aortic valve. Content describes what aortic regurgitation is with an animation, what causes it, and what can be done for this irregularity.
Other
Karl's Calculus Tutor: Applications of Derivatives
This detailed site provides five web pages devoted to the various applications of derivatives. Content includes several examples and learning exercises.