Your ears are paired organs on each side of your head, which help with hearing and balance. Several conditions can affect your ears, including infection, tinnitus, Meniere's disease, eustachian tube dysfunction, etc. Taking proper care of your ears can help keep them healthy. (You can look at models from all angles in AR, which enables you to memorize different body parts more effectively. Plus, it's a safe and cheaper way to learn, compared to using real bodies).