The letter B in the image below of the paranasal sinuses labels the _____ sinuses. 
Definitions:
Shareholders' Profits
The portion of a company's earnings that is distributed to its shareholders.
Local Community
A group of people living in the same place or having a particular characteristic in common, often within a smaller area that facilitates face-to-face interaction.
Blended Family
Two adults and their children. Because of divorce, separation, death, or adoption, the children are the offspring of other biological parents or of just one of the adults raising them.
Natural Family
An alternative term often used to refer to a nuclear family, emphasizing biological relationships within the family unit.
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