There are those who would argue that movie sex scenes are like the act itself: There's nothing better than a great one; otherwise don't bother. Yet despite how effortless things may look on screen, they're more difficult than you'd imagine -- chemistry between actors is never so delicate as when physical intimacy is involved. But when it works... The following ten are ones which left us breathless.

[Text by Michael Rowin]

Body Heat, Kathleen Turner, William Hurt, 1981. © Warner Bros./Courtesy of the Everett Collection