During Expiration

question 64

Multiple Choice

During expiration

• A) the diaphragm relaxes and moves up into the thoracic cavity
• B) the chest cavity is reduced in volume
• C) the pressure in the thoracic cavity increases
• D) all of the above

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Definitions:

Wilmot Proviso

A proposed, but never enacted, amendment in 1846 that aimed to prohibit slavery in any territory acquired from Mexico, intensifying the pre-Civil War debates over slavery.

Missouri Compromise

Deal proposed by Kentucky senator Henry Clay in 1820 to resolve the slave/free imbalance in Congress that would result from Missouri’s admission as a slave state; Maine’s admission as a free state offset Missouri, and slavery was prohibited in the remainder of the Louisiana Territory north of the southern border of Missouri.

Railway System

A network of tracks on which trains run, serving as a critical infrastructure for the transport of passengers and goods over land, significantly contributing to economic development and urbanization.

American Economy

The economic system of the United States, characterized by a mixed economy that includes private freedom combined with centralized economic planning and government regulation.