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Toward the end of depolarization, voltage-regulated ____________ channels open while the sodium channels close.

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Toward the end of depolarization, voltage-regulated slow calcium channels would open while the sodium channels close.

What is cardiac cycle?

Cardiac cycle can be defined as a complete heartbeat of the mammalian heart and it comprises sequential-alternating contraction and relaxation of the atria and ventricles, in order to allow blood flow unidirectionally (one direction) throughout the body.

The stages of cardiac cycle.

Based on scientific evidence, the cardiac cycle in living organisms happens in two (2) stages;

  • Diastole
  • Systole

What is depolarization?

Depolarization of the mammalian heart is a process which involves an orderly passage of electrical current sequentially through the heart muscle within the four chambers (4) of the heart such as atria and ventricles.

Toward the end of depolarization of the mammalian heart, voltage-regulated slow calcium channels would open while the sodium channels close.

Read more on the heart here: https://brainly.com/question/75085

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