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AP Biology Nervous Systems Part 1
Step 1: Reception
Step 2: Transduction
Step 3: Response
150 mM KCl 150 mM NaCl –92 mV +62 mV Inner chamber Outer chamber InnerIons and Energy –92 mV +62 mV Inner chamber Outer chamber Inner chamber Outer chamber 150 mM KCl 5 mM KCl 15 mM NaCl 150 mM NaCl Cl– K+ Na+ Cl– Potassium channel Sodium channel Artificial membrane
Evolution of a Nervous system in Animals
Overview of the Nervous System
CNS vs. PNS
Synapse and Neurotransmitter
Glial Cells (Like a house frame … but for a brain
Schwann Cells OR OligiodendrocytesNodes of Ranvier Layers of myelin Axon Schwann cell Schwann cell Axon Nodes of Ranvier Nucleus of Schwann cell Myelin sheath 0.1 µm
AP Biology Nervous Systems Part 1.
AP Biology Nervous Systems Part 3. Synapse and Neurotransmitter.
CAMPBELL BIOLOGY IN FOCUS © 2014 Pearson Education, Inc. Urry Cain Wasserman Minorsky Jackson Reece Lecture Presentations by Kathleen Fitzpatrick and Nicole.
Neuron Structure and Function. Nervous System Nervous system is composed of specialized cells called neurons. Neurons have long “arms” called axons.
Introduction to Cognitive Neuroscience Topic 2: The Nervous System.
AP Biology Nervous Systems Part 2. Important concepts from previous units: Energy can be associated with charged particles, called ions. Established concentration.
Catalyst You are at a Wild game and Nordy launches a t- shirt at your head. You blink just as the shirt/projectile gets close but catch it anyways!
Chapter 48 Neurons, Synapses, and Signaling. Copyright © 2008 Pearson Education, Inc., publishing as Pearson Benjamin Cummings Overview: Lines of Communication.
Neurons. The Nervous System We learned in Bio 11 that animals have the ability to respond to their environment Animal response But how do they do that?
THE NERVOUS SYSTEM.
Other Nerve Impulse Neuron Structure Neuroglia Organization
The Neuron Dendrites Cell body (perikaryon, soma)
AP Biology Nervous Systems Part 2. Animation 7Yk 7Yk.
Chapter 28 Nervous system. NERVOUS SYSTEM STRUCTURE AND FUNCTION © 2012 Pearson Education, Inc.
Nervous System. Neuron (nerve cell) StructureFunction Cell BodyCentral part of the neuron. It contains the nucleus of the cell. where most protein.
What you should know The parts of the nerve What an action potential is How nerve cells are insulated and the function of this How nerve cells communicate.
Nervous System & Neurons
Saturday Study Session 2 Theme of the day: Information Transfer Session 2 – Cell signaling in the Immune and Nervous systems.
The Nervous System: Neural Tissue. Introduction –Nervous system = control center & communications network –Functions Stimulates movements Maintains.
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