Texas Education Agency
Texas Gateway: Gauge Pressure, Absolute Pressure, and Pressure Measurement
By the end of this section, you will be able to define gauge pressure and absolute pressure and to understand the working of aneroid and open-tube barometers.
OpenStax
Open Stax: Pressures in the Body
From a chapter on Fluid Statics in a Physics textbook. This section of the chapter covers the different types of fluid pressures in the human body and how they are measured. Includes problems and exercises.
US National Library of Medicine
Medline Plus: Blood Pressure
From MedlinePlus, a video tutorial featuring information on blood pressure with accompanying text.
Other
California State University: Biology Labs Online: Cardio Lab
A comprehensive set of virtual experiment assignments where students explore the roles of blood pressure and heart rate in maintaining a balanced cardiovascular system. Includes background information, glossary, online notebook, and...
OpenStax
Open Stax: Anatomy & Physiology: Cardiac Cycle
Students learn the structure and function of the cardiac muscle and study the components of the conducting system that distributes electrical impulses through the heart during the cardiac cycle.