4
Any bone except the skull.
No it doesn't. The paranasal sinuses are the: Maxillary Sphenoid Ethmoid and Frontal
The cranial cavity is the primary cavity of the skull; it contains the brain. In addition, the skull has four other pairs of cavities called sinuses. They are the frontal sinuses, maxillary sinuses, sphenoid sinuses, and ethmoid sinuses.
No one knows exactly what purpose the cranial venous sinuses serve in the skull. The para-nasal sinuses help to add humidity and warmth to the air that is breathed. They also lighten the weight of the skull.
its when air passes within the skull
Yes, the frontal bones contain the frontal sinuses.
sinuses
The main sinuses in the human skull are the maxillary, frontal, ethmoidal, and sphenoidal sinuses. The maxillary sinuses are located in the cheeks, the frontal sinuses are in the forehead area, the ethmoidal sinuses are between the eyes, and the sphenoidal sinuses are located behind the nose. These air-filled cavities help to lighten the skull, provide resonance to the voice, and contribute to the respiratory system.
SINUSES
The maxillae contain the maxillary sinuses, the ethmoid and sphenoid contain the ethmoid and sphenoid sinuses, respectively. ****Maxilla is a facial bone, the three cranial bones that contain sinuses are ethmoid, sphenoid and frontal.
sinuses are caves in the skull that can not be removed.
sinuses