Explained: Why Does Heart Rate Increase During Exercise?


During exercise, your heart rate increases to pump more oxygen-rich blood to your muscles.

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This is because the muscles need more oxygen to produce energy and support their increased activity.

When you exercise, your body sends a signal to your heart to beat faster and pump more blood.

This increase in heart rate is a normal response to the body's increased demand for oxygen.

Additionally, the release of adrenaline and other hormones during exercise also contribute to an increased heart rate.