Concussions
{"name":"Concussions", "url":"https://www.quiz-maker.com/QJVMDR3V9","txt":"What is a concussion caused by?, A concussion is caused when falling down on a hard surface or getting hit hard on the head., Which of the following is a symptom of a concussion?","img":"https://cdn.poll-maker.com/75-3494419/171010-football-collision-mn-1510.jpg?sz=1200"}