They're the two holes on your nose
nostrils
Llamas have big nostrils because, in prehistoric times, mice could not find homes during the winter. They tried to fit in the llamas nostrils but could not fit. So, the mice stretched out the llamas nostrils. Now causing all llamas to have large nostrils.
Nostrils
A horse has two nostrils.
frogs have nostrils inside of the mouth.
You Can find the respiratory system in the nostrils till the lungs and also oxygen in the body,.
fish have nostrils to smell scents in the water to find their prey.
They have two nostrils
The platypus's nostrils are on its bill.
The openings in your nose are the nostrils.
Yes, cows do have large nostrils. These large nostrils will allow more air into the lungs than smaller nostrils would.
The nostrils / nares are the openings in the nose.