Saliva Protects Tooth Surfaces and the Linings of the Mouth

question 62

True/False

Saliva protects tooth surfaces and the linings of the mouth, esophagus, and stomach from attack by molecules that might be harmful.

---

Definitions:

French and Indian War

A series of military engagements between Britain and France in North America (1754–1763), part of a larger conflict known as the Seven Years' War.

British

Relating to Great Britain or the United Kingdom, encompassing England, Scotland, Wales, and Northern Ireland, its people, or its culture.

Westward Expansion

The 19th-century movement of settlers into the American West, driven by the desire for land and the belief in Manifest Destiny.

American Cities

Urban areas within the United States, characterized by diverse populations and significant economic, cultural, and political activities.