Relacionar Columnas Hearing activityVersión en línea This is an activity of my didactic unit for the Certificate of Qualification for Teaching in English por Estefania Simal Amores 1 The vibration of the tympanum is transmitted to the hammer, incus and stapes, also known as 2 The inner ear is composed of 3 It maintains the air pressure in the tympanic cavity 4 Structure that controls the position of the body and equilibrium 5 Structure with glands that produce earwax 6 Membrane that vibrates when the sound waves arrive Ear canal Vestibular apparatus Eardrum or tympanum Ossicle ear Vestibular apparatus, utriculus and sacculus Eustachian tube