Movie description: Think about wetness. This is what Xander's biology professor Aiden Starr tells him when she is trying to explain the idea of osmosis to him. She takes it a million degrees further when she gives applies it in practicum by spreading her legs and showing him how her fur pie gets moist when she's aroused, and even has him feel her wetness. At that point the wild blond teacher is on top of her student and ripping off her garments. Pretty soon her huge billibongs and his big schlong are out and that guy'is fucking his professor on her desk! Biology turned anatomy turned sex ed.