'Potassium ions' diaporamas de présentation

Chapter 2 Nerve Cells and Nerve Impulses

Chapter 2 Nerve Cells and Nerve Impulses. The Cells of the Nervous System. The human nervous system is comprised of two kinds of cells: Neurons Glia The human brain contains approximately 100 billion individual neurons. Behavior depends upon the communication between neurons.

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Water and Major Minerals

Water and Major Minerals. Chapter 14. Learning Outcomes. What influences water balance and how does the body maintain water balance? H ow does both dehydration and water intoxication develop? Who gets it?

845 views • 52 slides

Chapter 2 Nerve Cells and Nerve Impulses

Chapter 2 Nerve Cells and Nerve Impulses. The Cells of the Nervous System. The human nervous system is comprised of two kinds of cells: Neurons Glia The human brain contains approximately 100 billion individual neurons. Behavior depends upon the communication between neurons.

734 views • 52 slides

Inflammations

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Chemistry Unit 3! Class 2

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The Structure of the Nervous System

The Structure of the Nervous System. Chapter 23A. Nervous System. Brain Spinal cord Nerves Sensory organs. CNS. PNS. nerves. Neurons. neuron: nerve cell. Parts of a Neuron. Cell body Dendrites Axon myelin sheath Schwann cells axon terminal. Synapse.

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Neuron Structure

Neuron Structure. Synapse. The Synapse. Synthesis of neurotransmitter (NT) Storage and transport of NT within vesicles NT Release Activation of postsynaptic receptors Termination of transmitter effect (e.g. reuptake). Resting Potential.

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Introduction

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Objective: I will distinguish between ions and atoms.

Unit 6: Atomic Hookups: Chemical Bonding. 6.1. How does an ion differ from an atom?. AGENDA. Do Now. Introduction. Mini-Lesson. Summary. Work Period. Exit Slip. Objective: I will distinguish between ions and atoms. DO NOW : Complete Do Now slip You have 5 minutes.

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Topic: Multivalent Metals and Polyatomic Ions

Grade 10 : Chemistry. Topic: Multivalent Metals and Polyatomic Ions. Date: Thursday, March 21 st , 2013. Puzzlers. Courtesy of Mr. Luoma. Element of the Day. Element of the Day. What element do rat poison, laundry detergent, and Silly-Putty all have in common?. Element of the Day: Boron.

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Transport in Plants (Ch. 36)

Transport in Plants (Ch. 36). Transport in plants. H 2 O & minerals transport in xylem Transpiration Adhesion, cohesion & Evaporation Sugars transport in phloem bulk flow Gas exchange photosynthesis CO 2 in; O 2 out stomates respiration O 2 in; CO 2 out

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TRANSPORT ACROSS CELL MEMBRANE-ii (Guyton, 12 th Ed. (chapter 4): pg 45-56)

TRANSPORT ACROSS CELL MEMBRANE-ii (Guyton, 12 th Ed. (chapter 4): pg 45-56) . Dr. Ayisha Qureshi Assistant Professor, Physiology. ACTIVE TRANSPORT. Definition:

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ANTIFUNGAL DRUGS

ANTIFUNGAL DRUGS . Fungal infections (mycoses) can be both superficial and systemic. Superficial infections (Oral and vulvovaginal candidiasis, Dermatophytosis, e.g. Tinea pedis, Tinea corporis, ringworm, etc.)

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Neurons and the Reflex Arc

Neurons and the Reflex Arc. Structure and Function of the Nerve Cell. Neurons work by changing the concentration of positive and negative charges inside and outside the cell. They are in fact run on electricity. . Structure and Function of the Nerve Cell.

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ACTIVE TRANSPORT

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Kidney and renal dialysis

Kidney and renal dialysis. process of renal dialysis. The process: The blood is extracted from the body from a vein and passed into a dialyser, which is a bundle of hollow fibres made of a partially permeable membrane

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Equilibrium

Equilibrium. condition in which the concentration of a substance is equal throughout a space. ATP is associated with what Organelle? Mitochondria ATP (energy) is associated with which one, passive or active transport? Active Transport

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Voltage Gated Channels

Voltage Gated Channels. By Nick and Becky. What Are They?. Voltage-gated ion channels are membrane proteins that enable selected inorganic ions to pass across the cell membrane. They play a key role in the electrical signalling of neurons. How does it work?.

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6.5.4 Define resting potential and action potential (depolarization and repolarization ).

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Structure and Dynamics of Aqueous and Aqueous-Hydrocarbon Fluids between Charged Surfaces

Structure and Dynamics of Aqueous and Aqueous-Hydrocarbon Fluids between Charged Surfaces. Yongsheng Leng, Department of Mechanical and Aerospace Engineering, The George Washington University, Washington, DC 20052.

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