Verbal Classification - Verbal and Reasoning

Directions to SolveRemember, you are looking for the word that does NOT belong in the same group as the others. Sometimes, all four words seem to fit in the same group. If so, look more closely to further narrow your classification.
Q1:

Which word does NOT belong with the others?

A aorta

B heart

C liver

D stomach

ANS:A - aorta

The heart, liver, and stomach are all organs of the body. The aorta is an artery, not an organ.