The lymphatic system is a vital part of the immune system, along with the thymus, bone marrow, spleen, tonsils, appendix, and Peyer patches in the small intestine. The lymphatic system is a network of lymph nodes connected by lymphatic vessels. This system transports lymph throughout the body. Lymph is formed from fluid that seeps through the thin walls of capillaries into the body's tissues. This fluid contains oxygen, proteins, and other nutrients that nourish the tissues.
Noun[edit] piazza â(plural piazzas or piazze) 1  A public square, especially in an Italian city. ( US dialects, chiefly New England, dated) A veranda; a porch.
St. Peterâs Square is one of the most famous venues in Rome, Italy. The square is located in front of St. Peterâs Basilica within Vatican City. Several special Masses are celebrated in St. Peter's square during various special dates on the Roman Catholic Church's calendar.