This puzzle asks you to find the single category linking five clues: Ossicles, Cochlea, Semicircular canals, Tympanic membrane, and Auditory nerve. The answer is Parts of the ear. The clues look unrelated on the surface but share one precise category. Read all five before guessing — the link should feel natural on every row. With only "Ossicles", many categories could fit. Hold your first guess and watch what clue 2 eliminates. "Ossicles" and "Cochlea" must share one repeatable link — not a coincidence between two words. By clue 3 ("Semicircular canals"), "Parts of the ear" should explain all three without bending meanings. "Tympanic membrane" strengthens "Parts of the ear" rather than opening a new theory. The final clue ("Auditory nerve") confirms "Parts of the ear" — if it still fits naturally, the category is locked. Use the Solution tab above for an interactive clue-by-clue walkthrough, or the Solved board tab for the complete answer at a glance.