INTRODUCTION “Virtual humans are artificial agents that include both a visual body with a human-like body and intelligent cognition that directs the action of the body” (Traum, D., 2007). It can play many roles, such as playing a role in a training system, acting as a tutor, and even playing a role in a game. These virtual humans can be used in many different areas of work. Nowadays, people even use virtual humans as a medical application. The previous one was for PTSD and ADHD using virtual reality systems. Apart from this, virtual humans can also identify ethnicities and cultures. Virtual agents have different conversational behaviors. In this clever move, they also use many techniques to make the virtual agent look real. They can create virtual humans with natural gestures and expressions. It can also create emotionally expressive head and body movement. Thanks to these elements, we can begin to recognize the functions of the virtual human model.THE SIGNIFICANT CONTRIBUTION of the VIRTUAL HUMAN MODEL to the BODY OF KNOWLEDGEThe sig...