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Caleb. Caleb’s breathing rate decreased faster than Isaac’s so Caleb was not doing any vigorous activities and needed lesser oxygen as he was not exerting that much energy

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As the number of breaths increases, the volume of each breath took increases.

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Caleb. Based on the graph above, Caleb’s breathing rate decreased faster than Issac’s after the exercise. This shows that Caleb recovered faster than Issac.

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The boys bodies needed more oxygen and digested food to release more energy so the heart pumps faster . He also needs to respire faster

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Caleb. Based on the graph above, Caleb’s breathing rate decreased faster than Issac’s after the exercise. This shows that Caleb recovered faster than Issac.

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They needed more energy to carry out the exercise so their breathing rate increased to provide them with more oxygen which will be taken in by the body cells and converted into more energy.

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Caleb heart rate was lesser than Issac at first so after exercise, so Caleb’s heart rate decrease faster.

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Caleb heart rate was lesser than Issac at first so after exercise, so Caleb’s heart rate decrease faster.

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Every system in the body relies on oxygen. From cognition to digestion, effective breathing can not only provide you with a greater sense of mental clarity, it can also help you sleep better, digest food more efficiently, improve your body's immune response, and reduce stress levels.

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They needed more energy to carry out the exercise so their breathing rate increased to provide them with more oxygen which will be taken in by the body cells and converted into more energy.

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Caleb made a quicker recovery as his heart rate went down faster compared to isaac

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Caleb. Before the exercise, his breathing rate was 12. And at 8 minutes after the

Exercise, his breathing rate went down, because his body did not need as much oxygen to release more energy as compared to when he was exercising, so he made a quicker recovery from the exercise.

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The breathing rates increased as the boys needed more oxygen and digested food to be converted into energy around the body

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When he exercised, his number of breaths not only increases and also the volume of air taken in.

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The heart needed to pump more blood rich in oxygen and digested food to the different parts of the body to release energy.

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The more vigorous the activity, the more energy needed. Thus more oxygen is needed for the body cells to take in the oxygen to produce energy needed for the activity.

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The more vigorous the activity, the more energy needed. Thus more oxygen is needed for the body cells to take in the oxygen to produce energy needed for the activity.

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The more vigorous the activity, the more energy needed. Thus more oxygen is needed for the body cells to take in the oxygen to produce energy needed for the activity.

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The more vigorous the activity, the more energy needed. Thus more oxygen is needed for the body cells to take in the oxygen to produce energy needed for the activity.

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As the time inceases, Jill number of breaths and volume of each breath increases

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The longer the exercise, the number of breaths and volume of each breath , increases

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When the boys were exercising, they needed more energy. Thus the boys needed more digested food and more oxygen to pump the blood faster to all parts of the body. Hence the breathing rate increase.