Shows location of glands on the body. Illustrates thyroid, parathyroid, thymus, adrenal, pineal, and pituitary glands. Also shows heart, kidney, stomach, duodenum, jejunum, pancreas, ovary and testes. Also lists the hormones found in each organ and gland. Size is 20" W by 26" H. Charts come in Laminted (PL1.5), Styrene Plastic (PST) and Paper (PU).