Topics | Heart and Circulatory System | What does the right coronary artery do? The coronary arteries supply blood to the heart muscle itself. The right coronary artery is the major artery that supplies blood to the upper and lower chambers on the right side of the heart. There is also a left coronary artery. Watch this animation to learn more about these arteries.
Definition of impugn. 1  transitive verb. 2  1 : to assail by words or arguments : oppose or attack as false or lacking integrity impugned the defendant's character. 3  2 obsolete a : assailb : resist.
impugn mid-14c., from O.Fr. impugner, from L. impugnare to assault, to attack, from in- upon + pugnare to fight (see pugnacious). Example Sentences for impugned No breath of scandal touched her fair name, or impugned her devotion to Henry. He had impugned their skill in the hunt, and they were ravenous for him. There was irritation in his voice, as though Mike had impugned the memory of a friend. âAnd impugned by three gentlemen,â said Bruce, who felt how thoroughly he was in disgrace. But I can correct it now, and shall do it; for now my motives cannot be impugned.