The principle larynx function will be to carry out air towards the trachea; Additionally, it acts to prevent food from moving into the trachea far too. This is feasible because the larynx has a flap on its higher portion called the epiglottis that is shut through swallowing and open during respiratory. https://www.theorthopaedicandpainpractice.com/treatment-for-neck-pain-headaches/