<prompt> The function of middle ear is-Impedence matchingConveing sound energy into electric energyIncrease in intensity of soundHelps in equilibrium  <response>: Ans: A. Impedence matchingRef: Dhingras She p. 18; Tuli Lte p. 35The middle ear ossicles provide a pathway for sound to travel from the outer to the inner ear.Opposition to sound energy transfer is known as impedance.The ossicles exist to help overcome the effect of impedance by impedance matching, thus permitting more sound energy to be transmitted from the outer to the inner ear. 