Matching Pairs Julia's vocabularyOnline version from unit 6 by Marcella Endrigo 1 mechanism 2 prevent from 3 sharp pain 4 certainly 5 sprained 6 lack of 7 brain freeze 8 to sponsor 9 myth 10 volunteer 11 kidneys 12 headache 13 to adjust 14 ill 15 interestingly 16 disorder pain inside your head the fact that something is not available or that there is not enough of it small organs in the body that take away waste matter from the blood to produce urine producing or describing a quick, strong sensation that makes you feel like you have been cut word used to emphasize something and show that there is no doubt about it word used to introduce a piece of information that the speaker thinks is strange or interesting an injury to a joint (= a place where two bones are connected) by a sudden movement a sharp pain in the front or at the side of the head that people sometimes feel when they are somewhere very cold or when they have eaten something cold to change something slightly, especially to make it more correct, effective, or suitable an ancient story or set of stories, especially explaining the early history of a group of people or about natural events and facts to pay for someone to do something or for something to happen a person who does something, especially helping other people, willingly and without being forced or paid to do it a way of doing something that is planned or part of a system an illness of the mind or body to stop something from happening or someone from doing something not feeling well, or suffering from a disease