What is the medical term for when the upper parts of the heart contract?

(1 point)
Responses

depolarization
depolarization

repolarization
repolarization

nonpolarization
nonpolarization

antipolarization
antipolarization

1 answer

The correct medical term for when the upper parts of the heart contract is depolarization. During depolarization, the electrical signals cause the atria (the upper chambers of the heart) to contract and pump blood into the ventricles.