Answer:
The answer is true.
Explanation:
Your heart has 4 chambers. The upper chambers are called the left and right atria, and the lower chambers are called the left and right ventricles. A wall of muscle called the septum separates the left and right atria and the left and right ventricles.
The answer to this question is life expectancy.
<span>Cardiac arrhythmias are most often caused by
:
</span><span>-tobacco
-coffee
-stress
cocaine -consumption...</span>
