. When sound enters it, it travels down a canal at the end of which there is a thin stretched membrane. It is called the eardrum. It performs an
important function. To understand what the eardrum does, let us build a tin-can model of the eardrum.
. When sound enters it, it travels down a canal at the end of which there is a thin stretched membrane. It is called the eardrum. It performs an
important function. To understand what the eardrum does, let us build a tin-can model of the eardrum.