The items that contribute to heart disease are option C. Nitrogen oxides and carbon monoxide. These items are commonly part of the polluted air in the environment. Carbon monoxide is a product in combustion that when inhaled, it results in the reduction of oxygen flow in the bloodstream, which is highly dangerous especially to those who have an existing heart disease. In addition, nitrogen oxides react to other particles in the air, which could affect and penetrate areas of the body when inhaled and will result to respiratory disorders and worsen heart conditions.
