Answer:
When heart rate or rhythm changes are minor
Your heart rate or rhythm can change when you are under stress or having pain. Your heart may beat faster when you have an illness or a fever. Hard physical exercise usually increases your heart rate, which can sometimes cause changes in your heart rhythm.
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Differentiation is the process of going from a stem cell to a differentiated, specialized cell.
The answer is a. (in terms of performing cpr on a adult) hope this helps
