The face is a central sense organ complex, normally on the ventral surface of the head for animals that have one. It can, depending on the definition in the human case, include the hair, forehead, eyebrow, eyelashes, eyes, nose, ears, cheeks, mouth, lips, philtrum, temple, teeth, skin, and chin. The face has uses of expression, appearance, and identity amongst others. It also has different senses like olfaction, taste, hearing, and vision.