Blood Flow Through the Kidney Includes a Feature Seen in Only

Question

Blood flow through the kidney includes a feature seen in only a few organs.What is it?
A) portal system
B) arterial shunts
C) vascular sinuses
D) veins containing highly oxygenated blood
E) anastomoses

Accepted Answer

The kidney features a portal system in which blood flows through two capillary beds in series—the glomerular capillaries and the peritubular capillaries. This is a unique feature seen in only a few other organs, such as the liver and the hypothalamus.