The longest vein in the body is the
a. superior vena cava.
b. inferior vena cava.
c. hepatic portal vein.
d. great saphenous vein.
e. femoral vein.

d. Great Saphenous Vein

Explanation:

The great saphenous vein is the major vein of the medial leg and thigh. It extends from the top of the foot to the upper thigh and groin.

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explanation:

answer: i say it foxes

explanation:

you need to give us the answer options to for me to offical decide.