Respuesta :

Answer: Normal increase in heart rate that takes place during a person breathes in.

Explanation:

Sinus arrhythmia can be defined as medical condition in which the hear rate of a normal human being increases during inspiration.

This is a normal response of body which is usually seen in children. This is a response that is generated either during the exercise conditions or during the time of hypoxia.

Thus, the abnormal heart beat in an human being is known as sinus arrhythmia.

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