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 Structure that controls the position of the body and equilibrium 2 It maintains the air pressure in the tympanic cavity 3 The inner ear is composed of 4 The vibration of the tympanum is transmitted to the hammer, incus and stapes, also known as 5 Membrane that vibrates when the sound waves arrive 6 Structure with glands that produce earwax Vestibular apparatus, utriculus and sacculus Eustachian tube Ear canal Ossicle ear Eardrum or tympanum Vestibular apparatus