I do not know for sure but i believe the answer is pulse
Explanation:
How Age and Exercise Affect Your Max Heart Rate. The relationship between the heart and exercise has been studied for more than six decades and the research is clear: Max heart rate—the highest heart rate you can safely hit during exercise—decreases with age regardless of lifestyle or level of fitness.
When a patient has been resuscitated from cardiac arrest during post-ROSC treatment and the patient becomes unresponsive, the next action that should be taken is to give an immediate none synchronized high energy shock called the defibrillation dose. <span />
D. increase in weight because the fat you have will be turning into muscle