1. The document summarizes several of the special senses - taste, smell, vision, hearing, and balance. 2. It describes how taste buds detect different tastes on the tongue and how smell works through olfactory receptors in the nose. 3. Vision is discussed, including eye movement muscles, structures like the iris and retina, and how the lens and pupil work to focus light. 4. Hearing and balance are covered, from the outer, middle and inner ear down to the cochlea's role in sound detection.