A) right bronchomediastinal vein
B) superior vena cava
C) right brachiocephalic vein
D) right subclavian vein

A) Lymphatic vessels return excess interstitial fluid to the blood.
B) Lymphatic tissue initiates highly specific responses directed against particular microbes.
C) Lymphatic vessels transport most absorbed nutrients and vitamins from the digestive tract to the blood.
D) T and B cells, assisted by macrophages, recognize foreign cells, cancer cells and toxins.

A) intestinal plexus
B) hemiazygos trunk
C) cisterna chyli
D) thoracic ampulla