Why can't you use a mercury thermometer in the north pole?

What parts of the cardiovascular system are affected with atrial fibrillation?

Which describes the effect of prolonged stress on blood pressure? it causes blood pressure to decrease. it has little or no effect on blood pressure. it causes the heart to pump with more force. it causes blood pressure to increase.

An _ exposure is a repeated or prolonged exposure(over months or years) that may bring about slowly developing symptoms.