The Two Lines, One Vertical and One Horizontal, That Divide

question 65

Multiple Choice

The two lines, one vertical and one horizontal, that divide the abdominopelvic area into quadrants cross at the

• A) umbilicus/navel.
• B) urinary bladder.
• C) junction of the small and large intestines.
• D) diaphragm.
• E) sternum.

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Definitions:

Divergent Margin

A boundary between two tectonic plates that are moving away from each other, often associated with volcanic activity and seafloor spreading.

Island Arc

A curved chain of volcanic islands located at a tectonic plate boundary, formed by the subduction of an oceanic plate beneath another.

Gabbro

A coarse-grained igneous rock that forms from the slow cooling of magma beneath the Earth's surface, composed mainly of plagioclase feldspar and pyroxene.

Welded Rhyolite

Is a type of volcanic rock that has been superheated and compacted under extreme conditions, resulting in a dense, hard rock.