Multiple choice The veins into which sciatic vein of frog pours its blood is _____________. renal vein pelvic vein abdominal vein renal portal vein hepatic vein Reveal answer Fill a bubble to check yourself D Correct answer Explanation It carries blood from some of the posterior parts of the body to the kidneys in most lower vertebrates and including typically two trunks. Here only sciatic vein of the frog pours its blood.