ap biology - nervous system & action potentials

timestamps

• 0:00

  Introduction to Nervous System

• 0:34

  Fiveable Plus Membership

• 1:06

  Nervous System Overview

• 1:37

  Purpose of Nervous System

• 2:40

  Central and Peripheral Systems

• 3:45

  Peripheral Nervous System Details

• 4:48

  Neuron Structure

• 5:50

  Myelin Sheath Function

• 6:52

  Multiple Sclerosis Explanation

• 7:54

  Message Direction in Neurons

• 8:57

  Types of Neurons

• 10:30

  Basic Neural Pathways

• 11:33

  Reflex Pathways

• 13:05

  Action Potential Analogy

• 15:40

  Concentration Gradients

• 16:42

  Sodium-Potassium Pump

• 18:46

  Resting Potential

• 19:47

  Depolarization Process

• 21:50

  Resting State Details

• 22:52

  Neurotransmitter Role

• 24:25

  Voltage-Gated Channels

• 26:00

  Repolarization Phase

• 27:34

  Hyperpolarization

• 28:36

  Action Potential Propagation

• 30:39

  Synaptic Vesicles

• 32:11

  Acetylcholine and Muscles

• 33:45

  Key Neurotransmitters

• 35:49

  Neurotransmitter Examples

• 37:22

  Dopamine and Serotonin

• 39:27

  Homeostasis Preview