Anatomy & Physiology Question #13


Through which structure does the majority of lymph fluid in the body return to the venous circulation?


  1. Left lymphatic duct
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  2. Intestinal tract
    • Rationale:
  3. Cisterna chyli
    • Rationale:
  4. Thoracic duct
    • Rationale:



The correct answer is A. The thoracic duct collects lymph from the lower half of the body and the left upper half of the body and returns it to venous circulation. The other structures do not return lymph fluid.

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