The ____________________ Is a Double-Walled, Closed Sac That Separates Each

question 169

Short Answer

The ____________________ is a double-walled, closed sac that separates each lung from the thoracic wall and other surrounding structures.

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Definitions:

Meteorite Impact

Occurs when a meteoroid survives its passage through the Earth's atmosphere and impacts the surface, often resulting in craters and sometimes affecting the environment or climate.

Dinosaurs Extinct

The event in which dinosaurs ceased to exist, primarily occurring at the end of the Cretaceous period due to mass extinction events.

Pangea

Supercontinent that began to form about 300 million years ago and broke up 100 million years later.

Land Mass

A large contiguous area of land recognized as a distinct geographical entity, not fully covered by water.