The Part Identified by the Arrow in This Figure Is

question 6

Multiple Choice

The part identified by the arrow in this figure is the:

• A) anterior superior iliac spine.
• B) posterior superior iliac spine.
• C) anterior inferior iliac spine.
• D) posterior inferior iliac spine.

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Definitions:

Fossa Ovalis

A depression in the interatrial septum of the heart, the remnant of the foramen ovale of the fetal heart.

Left Atrium

One of the four chambers of the heart, which receives oxygenated blood from the pulmonary veins and pumps it into the left ventricle.

Right Ventricle

The chamber of the heart that receives deoxygenated blood from the right atrium and pumps it to the lungs for oxygenation.

Cardiac Muscle Fibers

Cardiac muscle fibers are specialized heart muscle cells that contract rhythmically and make up the myocardium of the heart.