Changes

==Function==

==Function==

The function of paranasal sinuses is somewhat ambiguous, however they are likely to have the following evolutionary purposes:

The function of paranasal sinuses is somewhat ambiguous, however they are likely to have the following evolutionary purposes; Resonating cavities; Limiting the weight of the [[Skull and Facial Muscles - Anatomy & Physiology#Bones of the Skull|skull]]; Insulation/cooling of the [[Nervous and Special Senses - Anatomy & Physiology#Central Nervous System (CNS)|brain]] and increased insertion space for [[:Category:Teeth - Anatomy & Physiology|teeth]].

*Resonating Cavities

*Limiting the weight of the [[Skull and Facial Muscles - Anatomy & Physiology#Bones of the Skull|skull]].

*Insulation/Cooling of the [[Nervous and Special Senses - Anatomy & Physiology#Central Nervous System (CNS)|brain]].

*Increased insertion space for [[:Category:Teeth - Anatomy & Physiology|teeth]].

==Species Differences==

==Species Differences==