Answer:
The atria and ventricles work together, alternately contracting and relaxing to pump blood through your heart. The electrical system of your heart is the power source that makes this possible.
Your heartbeat is triggered by electrical impulses that travel down a special pathway through your heart:
Explanation:
Hope this helps
Answer:
De la Alex;)(da alex ăla de e din cls cu tn:)
Because if they are submerged in the solvent, they would dissolve! This would prevent them from seperating and not allow you to actually record anything
