Explain How Sound Travels from the Pinna to the Auditory

question 443

Essay

Explain how sound travels from the pinna to the auditory nerve and to the brain, naming each part of the ear and its function along the way.

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Definitions:

Synovial Membrane

A specialized connective tissue that lines the inner surface of capsules of synovial joints and tendon sheath, secreting synovial fluid to lubricate and nourish the cartilage.

Serous Membrane

A thin membrane lining certain internal cavities of the body, secreting a lubricating fluid.

Mucous Membrane

A moist, inner lining found in various organs and body cavities, including the mouth, nose, lungs, and digestive tract, that secretes mucus.

Freely Movable Joints

Joints in the human body that allow significant movement across multiple axes, such as the knee, shoulder, and hip.