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Home Q & A Board Biology-Related Homework Help General Biology
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lisa_lordes lisa_lordes
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7 years ago
Many people, when they have a sinus headache, often use decongestant nasal sprays. Why are such sprays useful?
A) They dry out the breathing passageways in the pharynx, making it easier to breathe.
B) They have a pain-blocking effect in the brain.
C) They reduce the symptoms of sore throat inflammation, which exacerbates the pain.
D) They reduce swelling, allowing the sinuses to drain.
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Biology of Humans: Concepts, Applications, and Issues

Biology of Humans: Concepts, Applications, and Issues


Edition: 5th
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R.FrantR.Frant
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7 years ago
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lisa_lordes Author
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