Double circulatory system – A system where blood travels through the heart twice every loop. Gills – The organ that allows fish to breath underwater, it's the equivalent of a mammal’s lungs.

This circulation of synthetic blood is a major step forward when it comes to robotics because it more accurately mimics how biological animals function.

Mammals have bipartite blood circulation, i.e. pulmonary and systemic circulation. The heart is also divided: each circulatory system has an atrium and a ventricle, with the left and right halves of ...

The circulatory system is made up of a vast network of organs and blood vessels that deliver nutrients to every cell in the body.

Gregory K. Snyder, Brandon A. Sheafor, Red Blood Cells: Centerpiece in the Evolution of the Vertebrate Circulatory System, American Zoologist, Vol. 39, No. 2 (Apr ...

Your circulatory or cardiovascular system serves a vital function by delivering oxygen and nutrients to all the organs and tissues of your body. Learn more about how the circulatory system works ...