Lymph from most of the body, including the left side and both legs, finally drains into the blood through the ____.
Correct answer A. thoracic duct into the left subclavian vein
Explanation
The thoracic duct, the largest lymph vessel, collects lymph from the lower body and the left side of the upper body and empties into the left subclavian vein. The right lymphatic duct drains only the upper right quarter.
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