In anatomy, the head of an animal is the rostral part (from anatomical position) that usually comprises the brain, eyes, ears, nose, and mouth (all of which aid in various sensory functions, such as sight, hearing, smell, and taste). Some very simple animals may not have a head, but many bilaterally symmetric forms do. Cultural importance For humans, the head and particularly the face are the main distinguishing feature between different people, due to their easily discernible features such as… (More on Head)