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.
noun, plural kazoos. 1. a musical toy consisting of a tube that is open at both ends and has a hole in the side covered with parchment or membrane, which produces a buzzing sound when the performer hums into one end. Also called mirliton. 2. Slang. the buttocks. the anus.