The correct answer is B ) movement of carbon dioxide out of the blood
If carbon dioxide can't go out, then you can suffer in many ways because there is less place for oxygen in your body and the blood gets polluted. This of course is just explained in plain talk, the real processes are far more complex.
The lines 1, 4, 5, and 6 .
Heart disease is the leading cause of death in the U.S.
Heart disease is the leading cause of death for both men and women in the U.S. and also the leading cause of death worldwide. More than half of the deaths that occur as a result of heart disease are in men.
Arrhythmia is the irregularity of heartbeats. A heart should beat just like seconds hand of a clock. Those who are the victims of arrhythmia experience fast or slow heartbeats very often. Some times arrhythmia don't cause any problem. They don't need any specific treatment. Some Arrhythmia is serious. A child with serious Arrhythmia needs a regular checkup. It is hard for such a child to participate in some sports activities. A child with serious arrhythmia may need medicines, Some regular test, radiofrequency ablation, a device or surgery.