Picture someone holding their nose up in the air - they look very aloof and snobbish, right? That's what this idiom means.
to be stuck up
When scabs are present in the nose it is usually due to dry air and lack of moisture in the nasal passages. If the nose is dry for an extended period it will crack and bleed causing scabs.
The fine nose hair and the mucus. The mucus moist the air and the nose hair traps the dust and cleans the air.
you don't breath in air with the help of your nose the time.
If your nose is up in the air (snooty or snobbish) then to look at a lesser, you would have to look down your nose at them. Hence, looking down on someone or something.
The tiny hairs in our nose clean the dust particles in the air
inside the nose, tiny hairs clean the air by catching dirt and other particles. the air also warms as it travels through the nose.
nose or mouth.- Taylor
Up your b-hind or kiss my b-hind.
the air has to go through your nose and the hair in your nose cleans the dust and every thing thatsshouldn't get into your nose and your system!!
After entering your nose and mouth, air travels down your windpipe (trachea) and into your lungs.
You can't hum when your nose is pinched because when you hum, air comes out of your nose, so when your nose is pinched, no air comes out. But you can hum with your nose pinched and your mouth open, it sounds a little different but it is similar to humming.