The human circulatory system represents an intricate network of vessels that extends throughout the entire body. This complex arrangement of arteries, veins, and capillaries works continuously to ...

The circulatory system of most spiders consists of the heart, pericardium, arterial vascular system, the open venous system, and lung veins connecting book lungs to the pericardium. Several important ...

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 ...