ap biology - nervous system & action potentials
originally streamed in 2019 with Caroline KoffkeTeachercurriculum note
The video description references 'Unit 5,' but in the current AP Biology course, nervous system and cell signaling content is covered in Unit 4 ā Cell Communication and Cell Cycle.
covered in this stream
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
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