After having a severe cold accompanied by nasal congestion, helen complained that she had a frontal headache and the right side of her face ached. what bony structures are being affected and what is her probable diagnosis?

The answer is paranasal sinuses. In nasal activity it surrounded with a group of paired air-filled spaces called paranasal sinuses. The maxillary sinuses are located under the eyes; the frontal sinuses are above the eyes; the ethmoidal sinuses are between the eyes and the sphenoidal sinuses are behind the eyes. Each sinuses are given according to the facial bones they are located.

blue stars have the highest surface temp

stellar distances are usually expressed in light-years

the measure of a star's brightness is called magnitude

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