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During exercise, the heart rate increases. Explain why this increase happen using ALL the words below. Carbon Dioxide Muscle Cells Energy Lungs ​
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During exercise, the heart rate increases. Explain why this increase happen

using ALL the words below.

Carbon Dioxide
Muscle Cells
Energy
Lungs
​

User Blaze
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1 Answer

9 votes

Answer:

During exercise the heart rate increases because more energy is needed to make the blood flow withing your body. Muscle cells already contain a lot of miochondria.

Step-by-step explanation:

User Rhenz
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