The AFC Urgent Care Waltham providers are here to help keep you healthy. From the flu to symptoms of laryngitis, we are here to help. Visit our walk-in urgent care center for medical care today, or make an appointment for COVID-19 testing now. Located in the neck (between the pharynx and the trachea) and taking the form of a tube, the larynx is an organ that houses vocal cords, muscles, and cartilage. It fulfills three ...