The eardrum helps to convey or direct sound waves into the inner ear by vibrating when sound wave hits it hence causes vibration of inner organs called resonance or sympathetic vibration...
Because on the 11th minute of the 11th hour of the 11th day of the 11th month the Armistice to end the War to End All Wars was signed, bringing an end to the hostilities of...
It's a thin piece of skin that vibrates when someone or something talks or makes a sound. It can brake very easily so loud noises and pointy objects could brake your eardrum.