Labels:daily | hakham | web site OCR: EARDRUM YOUR EARDRUM or tympanic membrane, is a piece of skin stretched across the inner end of your outer ear pa ssage It is about 1 cm (0.5 inches) in diameter, and separates your outer ear from your middle ear. IS so thin that it almost transparent, and is highly sensitive to pain as a defense against damage. When sound waves travel along your ear passage, the ea rdrum vibrates. The vibrations cause tiny bones called ossicles, in the middle ear to move relaying the sound waves further toward the brain. EARDRIM
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