• 2022-05-29
    the structure behind the horizontal part of duodenum is ()
    A: Hepatic portal vein;
    B: Hepatic vein;
    C: Inferior vena cava.
    D: Superior mesenteric artery;
    E: Inferior mesenteric artery
  • C

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    • 0

      Which of the following means heart chamber? A: vein B: ventricular C: artery D: capillary

    • 1

      Which of the following arteries is not a branch of the external carotid artery? facial a.|superficial temporal a.|superior thyroid a.|inferior thyroid a.

    • 2

      Which organ is regarded as a pump in the blood circulation? A: Heart B: Artery C: Vein D: Capillary

    • 3

      We couldn't feel the changes in the blood pressure within the ______ . A: arterial B: vein C: blood D: artery

    • 4

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