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Indicate which one of the following does NOT contain a polar covalent bond.
Stasis Ulcers
Chronic wounds that occur due to poor blood circulation, typically in the lower extremities.
Congestive Heart Failure
A chronic condition where the heart doesn’t pump blood as well as it should, leading to fluid buildup around the heart and in the body.
Cyanosis
A bluish discoloration of the skin caused by lack of oxygen.
Circulatory Congestion
A condition where there is an accumulation of fluid in the body's circulatory system, leading to swelling and often associated with heart failure and other cardiovascular disorders.
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