The kidney is similar to the hepatic portal system because it has a venule connecting two capillary beds-the glomerulus and the peritubular capillaries.

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The kidney and the hepatic portal system are different in their structures and functions. The hepatic portal system involves a vein (the hepatic portal vein) connecting two capillary beds (in the digestive system and the liver), whereas the kidney's structure involves arterial blood flow between the two capillary beds (glomerulus and peritubular capillaries), not a venule.

The Kidney Is Similar to the Hepatic Portal System Because