list of organs of the human body list of organs of the human body this article contains a list of organs of the human body. a general consensus is widely believed to be 79 organs; however, there is no universal standard definition of what constitutes an organ, and some tissue groups' status as one is debated. since there is no single standard definition of what an organ is, the number of organs varies depending on how one defines an organ. for example, this list contains much more than 78 different organs. part of a series of lists abouthuman anatomy general features regions variations movements systems structures arteries bones eponymous foramina glands endocrine lymphatic vessels nerves organs systems veins muscles abductors adductors depressors elevators extensors flexors rotators external internal