Your Heart.
The chest by itself
thymus. It is a primary lymphoid organ responsible for the maturation of T lymphocytes and is located in the chest behind the sternum. The thymus plays a key role in the development of the immune system, particularly in early life.
viscera
the answer is the heart
The organs found in the chest are the lungs and the heart.
heart
A muscle or organ of chest
T cells mature in the thymus, a lymphoid organ located in the chest.
The lymphatic or lymphoid organ that decreases in size and in function as a person ages is the thymus gland. The thymus gland, which is situated in the chest area, is important because it plays a major role in the immune system. It is in this gland that T-cells are produced.
Yes it is an important organ because if you didn't have it you would be poisoned. It is the organ that filters toxins. So there you go, it is an important organ. Without a liver, you will die. Thus, the name...
The lungs and heart are in the thoracic (chest) cavity.
It is an organ. The heart belongs to cardio-vasculary organ system.