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To Print the Balance Sheet, Select

question 2

Multiple Choice

To print the Balance Sheet, select:

Definitions:

Depolarization

The process by which a cell's resting membrane potential becomes less negative, leading to an action potential and potentially initiating a nerve impulse.

Atria

The heart's top two chambers that take in blood from the veins and transfer it to the ventricles.

Ventricles

Chambers of the heart that receive blood from the atria and expel it to the lungs and rest of the body, or, in brain anatomy, cavities filled with cerebrospinal fluid.

Refractory Period

Period following effective stimulation during which excitable tissue, such as heart muscle, fails to respond to a stimulus of threshold intensity.