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.
When you impugn, you hazard repugnant pugnacity. More simply put, you risk insulting someone to the point where he or she wants to sock you. The belligerent implications of impugn are to be expected in a word that derives from the Latin verb pugnare, which means to fight..