Please answer the following:1. Define exercise physiology? Explain how exercise physiology differs from sport physiology .2. Provide an example of what is meant by studying acute responses to a single bout of exercise. 3. Describe the essential characteristics of the three energy systems. Your initial response should be a minimum of 500 words and your response to at least two others should be 250 words in length. Initial posts are due no later than 11:59 pm on Thursdays, EST. Responses to at least two others are due no later than 11:59 pm on Sundays, EST.
—Discussion Board AssignmentWK 2 DQ 1: Copy and paste the following to your post and then answer these questions in detail. Your initial response should be a minimum a total of 500 words and your response to at least two other students should be at least 250 words.· Describe the possible causes of fatigue during exercise bouts of exercise. What has been your experience with fatigue and physical activity? What might you do different to prevent fatigue in the future based on the information obtained in the reading material?