The Feature in the Photograph Below Was Formed by

question 57

Multiple Choice

The feature in the photograph below was formed by

• A)plucking.
• B)abrasion.
• C)plucking on the left and abrasion on the right.
• D)abrasion on the left and plucking on the right.

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Definitions:

Aortic Semilunar Valve

A valve in the heart between the left ventricle and the aorta that prevents blood from flowing back into the ventricle.

Pulmonary Trunk

A major blood vessel that exits the right ventricle of the heart, dividing into the left and right pulmonary arteries to carry deoxygenated blood to the lungs.

Abdominal Aorta

The main artery that runs down the abdomen, supplying oxygenated blood to the abdominal and pelvic organs and the legs.

Ascending Aorta

The ascending aorta is the initial section of the aorta, arising from the left ventricle of the heart and carrying oxygenated blood to the body.