Combative Anatomy is the study of using our understanding of human anatomy to stop an aggressive person in the minimal amount of time. Many of the tenants are discussed metaphorically to show the similarities of humans and other things that run such as motor vehicles. First we must look at human anatomy the same way a physician would, or at least as they would in references to COI (cause of injury/cause of death) in an emergency room. Drawing from the traditional definitions of the body's systems, we add the above knowledge and offer the following definitions-