Because the lungs gradually, with the time, they lose their elasticity.
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The answer is D because everyone benefits from physical activity.
<span>This statement is true. When you don't plan meals in advance and make something on the spot, you are not thinking about things like nutrition and portion control. When you carefully plan out what you are eating, you can account for nutritional content, portion sizes, and how to make the most of the leftovers.</span>
Your answer would be B : resting heart rate The reason why this is your answer is because are body need the oxygen to keep your body flowing from not having a storke
