Invalid: nostrils

A nostril is either of the two orifices of the nose. They enable the entry and exit of air and other gasses through the nasal cavities. In birds and mammals, they contain branched bones or cartilages. Fish do not breathe through noses, but they do have two small holes used for smelling, which can also be referred to as nostrils.

The following tags are aliased to this tag: nostril (learn more).

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