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Answer with Explanation:
Heart Rate Decreases in following conditions:
- When we are Lying down
- When our stomach is Digesting a meal
Reason:
Decrease in heart rate results only when we are taking rest.
Heart Rate Increases in following conditions:
- When we are Standing up
- When we are in Fright or Anger
- When we are doing Exercise
Reason:
Increase in heart rate results only when our body is in moving condition.