In academic writing, the running head usually contains a page number and the author's last name or an abbreviated version of the title.

Admittedly, those talking heads contain some of the most interesting minds alive today.

Actually, the head of the key contains a tiny robot radio that communicates with the car.

The head contains many white or pink-tinted flowers which open at night.

The head of the bur contains the blades which remove material.

But the implications are so profound that my poor head cannot contain them.

The heads contain several flowers which are usually purple, but sometimes white.

As for what the head contains, well, yes, Johnny needs some of the things that live in there: will, desire, perversity.

One however, contains more than just a head and shoulders.

The head would likewise contain a composite brain, also turning to mush.