Aside from the chest piece, there are three other basic parts of a stethoscope. The first is a pair of earpieces. These are the ones that you fit into your ears. Second is the pair of ear tubes. These ear tubes are responsible for attaching the earpieces to the stethoscope’s main body. The last basic part is tubing. The tubing connects the chest piece to the ear tube. Here is a link to an illustration of the mentioned parts I know you want to know more so on our next question let’s talk about the great components of a stethoscope.