Get to know the functions of your heart, blood vessels, and blood itself and how they work together to maintain your health.

All vertebrates except cold-water ice fish transport oxygen via hemoglobin packaged in red blood cells (RBCs). Vertebrate RBCs vary in size by thirtyfold. Differences in RBC size have been known for ...

The American Journal of Physiology - Heart and Circulatory Physiology publishes original investigations on the physiology of the heart, blood vessels, and lymphatics, including experimental and ...

Using magnetic cameras, researchers at Linköping University, Sweden, have examined blood flow in an artificial heart in real ...

Researchers from Cornell University and the University of Pennsylvania have created a lifelike robotic lionfish with a circulatory system, reports Gizmodo. That circulatory system enables the fish to ...