After it has been purified, the blood returns to the circulatory system through the renal vein. The kidneys produce urine and this helps maintain water balance. The urine is taken from the kidneys ...
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 ...