You breathe through your mouth with a machinemask on
Cougars breathe through their mouth and nose.
No, they breathe fire through their mouth.
mouth
through their mouth and nose
Through nose and mouth.
Through his or her nose and/or mouth.
Seals breathe through their mouth and nose.
In through your nose out through your mouth.
In through your nose and out through your mouth!
Yes, you would breathe mostly through your mouth, but you can breathe through your nose with you tongue sticking out of your mouth.
Through their long nose or their mouth.