Exercise and Cellular Respiration Lab Qs

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Exercise and Cellular Respiration Lab Qs

1. How did exercise affect the time needed for the solution to change color? Explain why the change happened. (How does BTB work?) 2. What can you conclude about the effect of exercise on the amount of carbon dioxide that is present in your exhaled breath? Why is this so? 3. What can you conclude about the effect of exercise on breathing rate? Why is this so?

4. What can you conclude about the effect of exercise on heart rate 4. What can you conclude about the effect of exercise on heart rate? Why is this so? What do your muscles need during exercise that the blood brings? 5. State whether your hypothesis was correct or incorrect and why.