2020. 1. 20.PhysioEx Exercise 6 Activity 41/4PhysioEx Lab ReportExercise 6: Cardiovascular PhysiologyActivity 4: Examining the Effects of Chemical Modifiers on Heart RateName: Juhui JeongDate: 20 January 2020Session ID: session-dcf4ecda-d108-5fb0-015b-464d75fa7edaPre-lab Quiz ResultsYou scored 75% by answering 3 out of 4 questions correctly.Experiment ResultsPredict QuestionsStop & Think QuestionsThe parasympathetic nervous system releases __________ to affect heart rate.1A cholinergic drug that worked the same as acetylcholine would2Norepinephrine affects the heart rate by3