Nasal patentency refers to lack of nasal obstruction; a patent nostil means there is nothing occluding the airway like a nasal polyp --> nasal airway is clear is it is patent
The phrase 'nares are patent' basically means that the nostrils are open. The opposite would be latent which means that the nostrils are hidden. This is not common.
A horse has two nostrils.
frogs have nostrils inside of the mouth.
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.
4 all together... 2 internal nostrils and 2 external nostrils
horses have two nostrils
They are nostrils.
two nostrils