Begegnungen mit der Natur 6, Arbeitsheft

19 Neurobiologie How about using English – the ear Letter the missing parts of the figure by using the words in bold below. Schulbuch Seite 72–74 O The pinna (auricle) is the visible part of the outer ear. The stirrup (stapes) is a tiny bone that passes vibrations to the ovale window. Through the outer ear canal the sound travels to the eardrum. The cochlea is filled with fluid, is located in the inner ear structure, and has a spiral shape. The eardrum (tympanic membrane) is a thin membrane that is able to vibrate. Nerves carry signals from the cochlea to the brain. The hammer (called the malleus) is a tiny bone that pas- ses vibrations from the eardrum to the anvil. The semicircular canals are three tubes in the inner ear. The anvil (incus) is a tiny bone that passes vibrations from the hammer to the stirrup. The Eustachian tube connects the middle ear to the back of the nose. outer ear middle ear inner ear Nur zu Prüfzwecken – Eigentum des Verlags öbv