Benefits of Exercise Outline Essay

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Public Speaking Preparation Outline Specific Purpose: To inform my audience about how exercise controls weight, combats health conditions and diseases, and improves mood. Central Idea: Exercise and physical activity are a great way to feel better, gain health benefits and have fun. Introduction You’re sweating, panting, and have a feeling of euphoria. You don’t know why you feel so good when there has just been so much stress put on your body (Attention-Getter). We’ve all gone through this feeling of exhaustion known as exercise. It can tire us out, yet leave a rewarding, kind of paradoxical feeling of energy. I have this reaction every time I train for triathlons (Credibility). I’m sure you’ve had this same feeling when …show more content…

Cells depend on the oxygen and nutrients supplied by the blood to do their various jobs-from the heart muscle cells that keep your heart pumping to the brains cells that keep you thinking and coordinating your countless activities. Being active boosts high-density lipoprotein, or "good" cholesterol and decreases unhealthy triglycerides. This, in effect, protects against heart disease and stroke. Nerve cells benefit from better blood flow. Physical activity is able to shift neurons in your brain from a revved, stressed state-more vulnerable to dangerous cardiac rhythms and heart attacks-to a relaxed state. This is important because you want this system working smoothly so that it efficiently responds to changing demands for oxygen, speeding up the rate when you are active and slowing it down when you are at rest. It also improves your metabolism – the ongoing chemical processes within living cells and organisms that are necessary for the maintenance of life. For example, muscle tissue is the biggest consumer of glucose (blood sugar that has been broken down from dietary carbohydrates) and physical activities helps keep muscles utilizing blood sugar. This helps prevent insulin levels from rising dangerously in the body-a condition that leads to diabetes and damage to the nerves, blood vessels, and the liver. These all lower your risk of developing a life-threatening condition.

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