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.
What is another word for earplugs? The word earplug typically refers to a small plug usually made from foam or wax which is inserted into the ear to protect against loud noise, water, dust, etc. There are no categorical synonyms for this word. However, one could loosely refer to ear protection as a synonym. Additionally, one could compare other devices with a similar function, e.g., earmuffs or ear-defenders. The word earplugs is the plural of earplug.