In lаb yоu cоmpleted а muscle physiоlogy experiment. This is а sample screenshot of data collected during the muscle fatigue experiment. Use it to answer the questions below. 1. Which fatigued more? The nerve or the muscle? 2. What does this tell you about the role of the CNS in muscle activity (i.e. motivation, music,) and the brain’s ability to continue working out? (resist fatigue) 3. How might exercising when fatigued play a role in injury? 4. List 3 causes of muscle fatigue.