The cardiovascular system consists of the heart, blood vessels, and blood. Its primary function is to transport nutrients and oxygen-rich blood to all parts of the body and to carry deoxygenated blood ...

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 ...

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 ...

The heart and arterial (efferent) circulatory system in Argas radiatus and Ornithodoros turicata (Argasidae) and in Ixodes scapularis, Dermacentor variabilis and Amblyomma tuberculatum (Ixodidae) are ...