What Are The Two Main Functions Of The Eustachian Tube?

What Are The Two Main Functions Of The Eustachian Tube? The Eustachian tube has three primary functions: 1) ventilation of the middle ear so that ambient pressure and middle ear pressure are similar; 2) protection of the middle ear from reflux of nasopharyngeal secretions and bacterial flora; and 3) drainage of secretions from the middle

What Is The Correct Path Of Sound Through The Ear To The Brain?

What Is The Correct Path Of Sound Through The Ear To The Brain? The ossicles amplify the sound. They send the sound waves to the inner ear and into the fluid-filled hearing organ (cochlea). Once the sound waves reach the inner ear, they are converted into electrical impulses. The auditory nerve sends these impulses to