which lymphatic vessel collects lymph from the lower half of the body and the left upper half of the body and returns it to venous circulation?
Image Credit: Main Image: The Thoracic duct is the major lymphatic vessel, which starts near the lower part of the spine. It collects lymph from the lower portion of the body. It runs through the body and empties into the blood through the large vein near the left side of the neck. The right lymphatic duct collects lymph from the right side of the neck, chest and arm, and empties into a large vein on the right side of the neck.