The woman used a long fingernail to scratch her scalp.

Benson, cap in one hand, scratches his scalp, thinking a moment.

Bait scratched his scalp, as if trying to dig up any remaining roots of hair.

You don't have to explain anything or be self-conscious that you're scratching your scalp all the time.

The woman stuck a finger into her mat of red hair and scratched her scalp.

The girl shrugged, scratched her scalp and pushed her book across the desk.

Rising, scratching his scalp: "Computer, what kind of medical knowledge do you keep in your data banks?"

Laurie absentmindedly scratched her scalp as she stared at the recorded result.

He scratched his scalp through the wet spikes of his hair.

She scratched the calf's scalp with her trunk fingers.