"Just tell me one thing..." "Does it involve you performing an action that is physiologically impossible upon yourself?"

It is physiologically impossible to hurt my feelings.

Several theorists proclaimed it was impossible physiologically for humans.

"It would have been physiologically impossible for him to do otherwise," Phlox said, "considering the amount of serum we put into his system."

Quite the contrary, the defense said, because intercourse with a woman seven months pregnant in the configuration described was "physiologically impossible."

Blood pooled beneath the helm of one; the other's leg jutted at a physiologically impossible angle.

Speculation runs the range from the totally cerebral to the physiologically impossible.

"Most experts say it's physiologically impossible for humans to experience them as anything but an instant."

What we do here is physiologically impossible.

The dead do not return; it is physiologically impossible.