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Anatomy and Physiology Course Lesson 4.4: Neurons, supporting cells, and membrane potentials.

Austin Mandeville MHS, NRP
Oct 7, 2026
85–115 min including topic learning materials
Anatomy and Physiology Course Lesson 4.4: Neurons, supporting cells, and membrane potentials.
Image credit: Pixabay: Monoar_CGI_Artist

PHA LEARNING PRIMER · 04.4

Explain how neurons carry and pass a signal

Connect neuron structure and supporting cells with nervous tissue function. Explain membrane potentials, action-potential propagation, and transfer across a synapse.

Focus for this topic

  • Connect neuron structure and supporting cells with nervous tissue function.
  • Explain membrane potentials, action-potential propagation, and transfer across a synapse.

Recommended study time: 85–115 minutes. Objective: AP-M04-04.

Your study sequence

Use Next to continue through the PHA Learning Guide and textbook readings in this topic. Work through the pages in order and connect the examples to the topic’s learning goals. Planning estimates are flexible; work at your own pace.

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