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Home Q & A Board Biology-Related Homework Help Anatomy and Physiology
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Edwindsor Edwindsor
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8 years ago
Which of the following is true about paranasal sinuses?
A) Paranasal sinuses enhance the resonance of the voice and lighten the skull.
B) Paranasal sinuses are found in maxillary, ethmoid, and lacrimal bones.
C) Paranasal sinuses open into the oral cavity.
D) Paranasal sinuses contain passages acting as one-way valves.
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Anatomy & Physiology

Anatomy & Physiology


Edition: 5th
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- Eddy
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ancraancra
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8 years ago
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Edwindsor Author
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#2
8 years ago
How do you do it! You're so smart lol
- Eddy
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#3
8 years ago
Grinning Face with Smiling Eyes
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