To stop dust and wind blown sand getiing up there
You are describing the "ear canal".
The nostrils / nares are the openings in the nose.
Yes. If you turn your nostrils inside-out and breathe through your mouth, I can always detect a little hint of nose hair and snot/boogers.
The openings to the nostrils are call the naries. The singular is a naris.
What is the Bactrian Camels' niche?
Camels are able to actually close their nostrils to protect against the desert sand.
The hair inside your nostrils works like a filter, protecting you from breathing in potentially dangerous particles. Nose hair traps dust, pollen, germs and fungus so you don't inhale them.
To trap particles and bacteria/viruses that would otherwise get into the throat and lungs.
CAMEL
It is a camel.
That would be the stately camel, of course!
That would be the stately camel, of course!
Same way you close your bum.
To prevent sand entering into their nose
Camels have specialized muscles that allow them to close their nostrils. This is an adaptation that to prevents them from inhaling sand.
To prevent sand entering into their nose
A camel is able to shut his nose whenever it wants but not for to long so as soon as it shuts its nose it will run until it has found a safe place, camels have to be quick as they need to breathe eventually.