What is the organ system?

The 11 organ systems of the body are the integumentary, muscular, skeletal, nervous, circulatory, lymphatic, respiratory, endocrine, urinary/excretory, reproductive and digestive. Although each of your 11 organ systems has a unique function, each organ system also depends, directly or indirectly, on all the others. read more

The human body is made up of several organ systems that work together as one unit. In the pyramid of life that organizes all of the elements of life into categories, organ systems are nested between an organism and its organs. read more

In biology, an organ system is a group of organs that work together for one purpose. Their interdependency on one another is critical for normal life functions, and if any one were to fail, it would subject the others to stress, possibly causing the whole group to shut down, with fatal results. read more