I would go with A because women naturally have more fat then men do for carrying children. Hope this helped.
It is B , I know this thanks to the fact I took PE and our teacher teach us about the body !
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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If i remember correctly it should be your doctor
