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)
Rhys Williams recalled that he had his first kiss with Gwen Cooper in supermarket; they were in a queue when Rhys told her that he did not want to make spaghetti bolognese as it contained garlic and he could not kiss her with "garlic breath", upon which Gwen laughed, called him "Rhys the Rant" and kissed him right there in the queue. (TV: Adam)
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)