So it's a good job we've got the circulatory system to transport nutrients, water and oxygen to the entire body. Your circulatory system is made up of three parts: the heart, blood vessels and the ...

The circulatory system in the normal human body (as in all vertebrates and some other select group of species) can be considered as a closed system, meaning that the blood never leaves the system of ...

Closed circulatory system, but fluid constituents of blood leak out of capillaries and return ... then to the single right aortic arch then on to body. Also 4 chambered heart, with full double ...

Start with dorsal aorta, formed by 4 pairs of efferent branchial arteries. Within the pleuroperitoneal cavity, it gives off a series of abdominal branches. Locate each of the paired and unpaired ...

"The key takeaway is that standing for too long will not offset an otherwise sedentary lifestyle and could be risky for some people in terms of circulatory health. We found that standing more does ...