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AP Biology Nervous Systems Part 1
Step 1: Reception
Step 2: Transduction
Step 3: Response
Ions and Energy 150 mM KCl Inner chamber Outer chamber –92 mV Potassium channel 5 mM KCl Artificial membrane K+K+ Cl – 150 mM NaCl Inner chamber Outer chamber +62 mV Sodium channel 15 mM NaCl Na + Cl –
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 Oligiodendrocytes Axon Nodes of Ranvier Schwann cell Myelin sheath Nucleus of Schwann cell Schwann cell Nodes of Ranvier Layers of myelin Axon 0.1 µm
AP Biology Nervous Systems Part 1. Important concepts from previous units: 1)The parts to the Signal Transduction Pathway – Reception, Transduction, Response.
AP Biology Nervous Systems Part 1. Important concepts from previous units: The parts to the Signal Transduction Pathway – Reception, Transduction, Response.
AP Biology Nervous Systems Part 3. Synapse and Neurotransmitter.
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AP Biology Nervous Systems Part 2. Important concepts from previous units: Energy can be associated with charged particles, called ions. Established concentration.
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Other Nerve Impulse Neuron Structure Neuroglia Organization
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AP Biology Nervous Systems Part 2. Animation 7Yk 7Yk.
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Saturday Study Session 2 Theme of the day: Information Transfer Session 2 – Cell signaling in the Immune and Nervous systems.
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© 2014 Pearson Education, Inc. Figure 11.3 Neuroglia. Capillary Neuron Astrocyte Astrocytes are the most abundant CNS neuroglia. Neuron Microglial cell.
Coordinates and regulates the function of all other body systems 2 major division Central Nervous System (CNS) Brain Spinal Cord Peripheral Nervous.
Copyright © 2008 Pearson Education, Inc., publishing as Pearson Benjamin Cummings Ch 48 – Neurons, Synapses, and Signaling Neurons transfer information.
Human Anatomy & Physiology NERVOUS SYSTEM Biology – Chapter 35 1.
Neuron organization and structure reflect function in information transfer The squid possesses extremely large nerve cells and is a good model for studying.
Nervous System. The nervous system is broken down into two major parts:
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Nervous communication. Nervous system provides fast communication and coordination Mammalian nervous system: Central nervous system (CNS): brain.
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The Nervous System Anatomy and Physiology Nervous System Functions 1. Sensory-receptors gather information and pass it on toward the CNS 2. Integrative-in.
Copyright © 2005 Brooks/Cole — Thomson Learning Biology, Seventh Edition Solomon Berg Martin Chapter 39 Neural Signaling.
UW BIO UNIT 1 LECTURE 4 THE MEMBRANE, THE NEURON & ACTION POTENTIAL.
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Neurons. The human brain Thought experiment Scientist have discovered that the brain has about 83 billion neurons. How do they know?
4.4 Nervous Tissue * L: brain, spinal cord, nerves * F: transmit information.
Biology 12 Nerve Impulse. Biology Main idea:Transmission of a Nerve Impulse Is how the nervous message moves along the length of a neuron.
Galvanism 1790 Luigi Galvani & “animal electricity” Contraction of a muscle that is stimulated by an electric current.
LECTURE PRESENTATIONS For CAMPBELL BIOLOGY, NINTH EDITION Jane B. Reece, Lisa A. Urry, Michael L. Cain, Steven A. Wasserman, Peter V. Minorsky, Robert.
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P.. Sensor Effector Sensory input Motor output Integration Peripheral nervous system (PNS) Central nervous system (CNS)
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