Which vein drains the tail and empties into the origin of the postcava?
A) external iliac vein
B) internal iliac vein
C) caudal vein
D) hepatic portal vein
C
Explanation:
A) The external iliac vein is a continuation of the femoral vein and drains blood from the hindlimb.
B) The internal iliac veins enter the common iliac vein in the pelvic cavity and drain the rectum, bladder, and internal reproductive organs.
D) The hepatic portal vein carries blood from the intestines and other abdominal organs to the liver.
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