Simplify the following text for a Grade 7 native English-speaking person.
Original: 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 .