The Paranasal Sinuses Have Two Functions: They Lighten the Bones

question 176

True/False

The paranasal sinuses have two functions: they lighten the bones of the skull and also drain trapped particles into the nasopharynx.

---

Definitions:

Industrial Metropolis

A large and densely populated urban area characterized by significant industrial activity, economic growth, and cultural development.

Romantic Love

Romantic love refers to a deep emotional and affectionate connection between pairs, often characterized by passion, intimacy, and commitment.

Boarders

Individuals who rent rooms or lodging in another's house, typically including meals.

"New" Immigration

Refers to the wave of immigrants that came to the United States from the 1880s to the 1920s, primarily from Southern and Eastern Europe, in contrast to earlier immigration from Northern and Western Europe.