Fundamentals of the Nervous System and Nervous Tissue Lectrure 7 | Lecture Note - Edubirdie

University:
Arizona State University
Course:
BIO 201 | Human Anatomy & Physiology I
Academic year:

2022
Views:

208

Pages:

10
Author:

do3ran7ut

Generating an Action Potential • Action Potential Focus Figure 11.2 Action Potential. Generating an Action Potential • Action Potential Focus Figure 11.2 Action Potential. Generating an Action Potential • Action Potential Focus Figure 11.2 Action Potential. Generating an Action Potential • Action Potential Focus Figure 11.2 Action Potential. Action Potential The events Each step corresponds to one part of the AP graph. Na+ Sodium channel Potassium channel Activation Inactivation gates gate 1 K+ 1 Resting state: All gated Na+ and K+ channels are closed. 2 4 Na+ Na+ K+ 4 Hyperpolarization: Some K+ channels remain open, and Na+ channels reset. K+ 2 Depolarization: Na+ channels open, allowing Na+ entry. 3 Focus Figure 11.2 Action Potential. 3 Repolarization: Na+ channels are inactivating. K+ channels open, allowing K+ to exit. Action Potential Focus Figure 11.2 Action Potential.

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