👉 Sinoauricular is a medical term that refers to the inner ear. It's a part of the human body, located in the middle ear, and it is responsible for transmitting sound waves from the ears to the brain. In simpler terms, the sinoauricular system helps us hear sounds by sending electrical signals through the outer ear (also known as the cochlea) to the inner ear (the spongy bone behind the eardrum). This process allows us to perceive and understand speech