• Describe the function of the cardiovascular system and the respiratory system and how they work together.

• Describe how the cardiovascular system adjusts to meet the demands of exercise. Use appropriate terminology such as stroke volume, respirations, and pulse.

• Describe why an untrained person’s heart rate and breathing rate would take longer to return to a resting rate compared to a person who is in good physical condition.

• Explain the relationship between heart rate and breathing rate during physical activity.

• Discuss contributing factors to coronary artery disease (CAD). Explain how CAD leads to dysfunction of the cardiovascular system.

• Discuss contributing factors of chronic obstructive pulmonary disease (COPD). Explain how COPD leads to dysfunction of the respiratory system. 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.