Explain the function of the cardiovascular and respiratory systems as well as how these systems work together to meet the demands of activity. Discuss the process of gas exchange as well as coronary artery disease and chronic obstructive disease and explain how these chronic diseases can lead to dysfunction of these systems.To complete the following activity, you will need paper, a pen, and a clock or stopwatch with a second hand. To begin, take the(PAR-Q). The PAR-Q is a screening tool to determine if a person should check with his or her doctor prior to completing an exercise program. If it is determined that you should not exercise, please find an adult (18 years of age or older) family member or friend to complete the assessment for you who has been cleared to exercise through the PAR-Q assessment. You can record the results of your partner.In your initial post:Use two scholarly sources (one may be your course text) to support your initial post. All sources must be referenced and cited according to APA guidelines as outlined in the Ashford Writing Center. Your initial post should be at least 250 words in length.