Everybody knows that your body needs oxygen to keep going, and that you breathe out carbon dioxide as waste. What happens when you exercise? You've probably noticed that you breathe faster, and your heart beats faster. What triggers your body to respond in this way? Here's a project that gives you a peek into the fascinating science of exercise physiology.

Concepts

carbon dioxide, exercise, physiology, zoology, human biology

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Additional Tags

science fair project, science buddies, science project

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Classroom Considerations

• Knovation Readability Score: 3 (1 low difficulty, 5 high difficulty)