Answer the following statements true (T) or false (F)

1. The nicotine in cigarette smoke stimulates the cilia to beat rapidly in both directions, stopping the efficient removal of the trapped debris.
2. Another name for nostrils is the right and left nasal cavities.
3. The four paranasal sinuses are named for the bones in which they are found. They are the frontal, parietal, sphenoidal, and ethmoidal.
4. The functions of the paranasal sinuses include lightening the bones of the skull and serving as a resonant chamber for sound.
5. The lacrimal sacs drain tears into the nasopharynx.


1. FALSE
2. FALSE
3. FALSE
4. TRUE
5. FALSE

Anatomy & Physiology

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There are numerous levels of organization in the body. The correct order from simplest to most complex is

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