text: The face is a central sense organ complex , for those animals that have one , normally on the ventral surface of the head , and can , depending on the definition in the human case , include the hair , forehead , eyebrow , eyelashes , eyes , nose , ears , cheeks , mouth , lips , philtrum , teeth , skin , and chin .
simplified: In the human case , include the hair , forehead , eyebrow , eyelash , eyes , nose , ears , cheeks , mouth , lips , teeth , skin , and chin .