This site, from the University of Cambridge, describes an experiment to measure the pressure versus strain of a cylindrical balloon as it is inflated to produce an aneurysm. Photographs show how the balloon looks at...

HyperHeart is a tutorial that portrays the major events of the cardiac cycle including systole and diastole. Changes in atrial pressure and ventricular pressure are shown in relation to the classic heart sounds and the...

This case study sets up a mystery and asks students to solve it using science: why was the couple found dead in their hot tub? The material asks students to connect seemingly unrelated factors, such as blood pressure,...