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What is happening at #2?





A. Sodium channels close, calcium channels open, potassium channels open
B. Sodium channels close, calcium channels open, potassium channels close
C. Sodium channels open, calcium channels open, potassium channels open
D. Sodium channels close, calcium channels close, potassium channels open
E. Sodium channels open, calcium channels close, potassium channels close

This question is part of Anatomy and physiology questions - The cardiovascular system: The heart
Asked by Hermine, Last updated: Jul 06, 2020

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hermine

Hermine

Answered Nov 03, 2017

Sodium channels close, calcium channels open, potassium channels open
 

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