The Oxygen System

question 47

Multiple Choice

The oxygen system

• A) produces ATP in rather large quantities from other energy sources in the body.
• B) involves aerobic processing of carbohydrates to some extent, with major utilization of protein.
• C) is used primarily in sports that demand strenuous exercise.
• D) depends upon reactions that occur in the nucleus of the cell.

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Definitions:

Finely Crystalline

Describes a texture of rocks or minerals with very small crystals that are often too small to be seen unaided, indicating rapid cooling or chemical precipitation.

Glassy Texture

A description of igneous rocks that cooled quickly from molten material, resulting in a non-crystalline or vitreous appearance.

Pyroclastic Eruption

A volcanic eruption involving the explosive ejection of hot ash, lava fragments, and gases.

Pegmatite

An igneous rock containing very large crystals, which may be centimeters to meters long.