Breathing

The Second Doctor claimed that treachery was as natural as breathing to the Androgums and, in an attempt to anger Group Marshal Stike, the Sontarans. (TV: The Two Doctors)

Donna Noble asked the Tenth Doctor how she was still breathing when he opened the TARDIS door to outer space, the Doctor explaining that the TARDIS protected them. (TV: The Runaway Bride)

A video of George Floyd's death showed him pleading to breathe and for his mother. (PROSE: 8.46)

The Clockwork Droids detected organic lifeforms through their breathing. (TV: Deep Breath)

When Clara Oswald was extracted and time looped, she no longer had to breath but kept doing so out of habit. (TV: Hell Bent)