* Liver: The liver receives oxygen-rich blood from the hepatic artery and oxygen-poor blood from the portal vein.
* Kidneys: The kidneys receive oxygen-rich blood from the renal arteries and oxygen-poor blood from the renal veins.
* Spleen: The spleen receives oxygen-rich blood from the splenic artery and oxygen-poor blood from the splenic vein.
* Adrenal glands: The adrenal glands receive oxygen-rich blood from the superior adrenal arteries and oxygen-poor blood from the inferior adrenal veins.
* Pituitary gland: The pituitary gland receives oxygen-rich blood from the superior hypophyseal arteries and oxygen-poor blood from the inferior hypophyseal veins.
