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Plan Aim my aim is to find out whether exercise affect heart rate. Equipment * Trainers * Stopwatch Method 1. Collect all my equipment needed for my experiment 2. Draw my recording table 3. Than find an area of open space with no obstructions 4. Then take my partners resting heart rate Prediction I predict that as amount of exercise increase so will heart rate. The heart muscle, which pumps blood around our body. The blood carries important substances and the most important substance in our blood is oxygen. Oxygen is needed to ensure the muscles work properly to produce energy. At rest my body needed energy for muscles, this kept my muscles moving and my body temperature constant. When I exercised my muscles needed a lot of energy therefore I burnt more food in my muscles, I needed oxygen to burn the food. My lungs therefore had to take in more oxygen so I breathed in...

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