Answer: He should Increase the intensity of his exercise program
Explanation:
Before you preform CPR, if the person is unconscious and is not responding to questions (such as: "Are you okay?) call 911 or the local emergency number, and get an AED, if one is available. As soon as the AED is ready, deliver one shock if instructed by the device, then begin CPR
<span>They benefit from having the respiratory </span>system<span> give oxygen and take away carbon dioxide. Muscle </span>cells benefit<span> by having circulatory </span>system<span> bring them blood and oxygen. The heart pumps blood towards the arteries, arteries carry blood to the </span>cells<span>.</span>
