ON-BOARD APPARATUS, FIRST INFORMATION PROCESSING APPARATUS, INFORMATION PROCESSING SYSTEM, AND INFORMATION PROCESSING METHOD

Provided is a second terminal apparatus including an input interface, a communication interface, and an output interface. The input interface detects a user input for designating a relative position on a living body targeted for medical examination. The communication interface sends the relative position to a first information processing apparatus. The communication interface receives a first sound and/or a first subject image from the first information processing apparatus. The output interface outputs the first sound and/or the first subject image.