BSIP ESTIOT / SCIENCE PHOTO LIBRARY BSIP ESTIOT / SCIENCE PHOTO LIBRARY
Tonsils. Artwork of an open mouth showing the tonsils and the teeth. The tonsils (grey, either side of centre) are part of the lymphatic system. They are positioned at the back of the throat, and help keep the respiratory tract free of infection. The lower row of teeth can also be seen (lower centre).
Model release not required. Property release not required.