The
thorax or
chest (from the
Greek θώραξ
thorax "breastplate, cuirass, corslet" via ) is a part of the
anatomy of humans and various other animals located between the neck and the abdomen. The thorax includes the
thoracic cavity and the
thoracic wall. It contains organs including the
heart,
lungs and
thymus gland, as well as muscles and various other internal structures. Many diseases may affect the chest, and one of the most common symptoms is
chest pain.