The difference between hearing and listening
Hearing is a verb that indicates when you hear or feel any physical sensation. You can hear with your ears, but also with the rest of the body. Instead, listening is a verb that indicates when a person pays attention to some form of communication. The thing is more easily understood if you imagine that you are in front of a Japanese person while he is talking. If we do not know well that language, we hear clearly the sounds he produces, but we do not perceive one word, losing control over the entirety of the speech.
Sound is the father of the world: It is the natural evolution of the first cry of a human being, we have all instinctively used it from our first day to communicate to our parents for survival, with no one to show us how to do it: it was a natural and innate mechanism.
In fact, each of us hears our own voice while producing sound, just like any other person present. Everything comes from the vibration produced by the larynx, which expands in the surrounding environment due to air emitted by our breath then back to us through the ears.
The physiology of the human being leads us to conclude that the means we use to control language is not, as everyone thinks, the vocal apparatus, but it is the air that surrounds us: we have just developed refined ways to put it into motion. By analyzing this concept better you will even understand that it is always air which allows us to hear what we say. Air doesn't only allow us to breathe, but also to communicate.