1. Marlene has had lymph nodes removed from her armpit. Why would removal of lymph nodes cause swelling in her hand and arm?

2. Is lymph more similar to blood plasma or to interstitial fluid? Explain your answer.

3. (fill in the blank) Fluid from the legs passes through lymphatic vessels that enter the abdomen through the lumbar (Blank 1), draining into the (Blank 2) (Blank 3) along with the intestinal trunk. The lymph fluid then leaves the abdominal cavity through the (Blank 4) duct which connects to the left (Blank 5) vein.