That means that the vans are very busy indeed, all the time. So it's a good job we've got the circulatory system to transport nutrients, water and oxygen to the entire body. Your circulatory ...

Circulatory system is the first organ system to become functional during development ... Pulmonary veins return oxygenated blood to the left atrium, to the left side of the ventricle and then on the ...

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 ...

Systemic disorders are health conditions affecting one or more of the body’s systems, including but not limited to the respiratory immunological, neurological, circulatory, or digestive systems.

University of Manchester scientists have discovered significant concentrations of microplastics in the male reproductive ...