| breed eventual sinus in… | 0.59 |
| breed bacterial growth | 0.38 |
| humidify inhaled air | 0.25 |
| filter inhaled air | 0.25 |
| open into the nasophary… | 0.25 |
| lined with mucous membr… | 0.55 |
| filled with a water flow | 0.46 |
| blocked by inflammation | 0.38 |
| blocked by mucous | 0.38 |
| divided into right | 0.34 |
| lined with hair | 0.34 |
| separated by nasal sept… | 0.25 |