table of contents. lessons 1. nervous system go go 2. diseases and disorders go go

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Table of Contents Nervous System

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Page 1: Table of Contents. Lessons 1. Nervous System Go Go 2. Diseases and Disorders Go Go

Table of Contents

Nervous System

Page 2: Table of Contents. Lessons 1. Nervous System Go Go 2. Diseases and Disorders Go Go

Table of Contents

Lessons1. Nervous System Go

2. Diseases and Disorders Go

Nervous SystemT

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Page 3: Table of Contents. Lessons 1. Nervous System Go Go 2. Diseases and Disorders Go Go

Table of Contents

Lesson 1– Nervous System

The nervous system is the communication network for the body.

The main function of the nervous system is to coordinate all of the body’s activities.

Page 4: Table of Contents. Lessons 1. Nervous System Go Go 2. Diseases and Disorders Go Go

Table of Contents

Lesson 1– Neurons

Neuron, or nerve cell.

Dendrites Axons Myelin sheath.

Synapse

Page 5: Table of Contents. Lessons 1. Nervous System Go Go 2. Diseases and Disorders Go Go

Table of Contents

Lesson 1– Types of Neurons

Afferent

Efferent

Associative

Page 6: Table of Contents. Lessons 1. Nervous System Go Go 2. Diseases and Disorders Go Go

Table of Contents

Lesson 1– Divisions of the Nervous System

Central nervous system

Peripheral nervous system◦ autonomic nervous

system

Page 7: Table of Contents. Lessons 1. Nervous System Go Go 2. Diseases and Disorders Go Go

Table of Contents

Lesson 1– Central Nervous System: Brain

Cerebrum Diencephalon

▫ Thalamus▫ Hypothalamus

Cerebellum

Page 8: Table of Contents. Lessons 1. Nervous System Go Go 2. Diseases and Disorders Go Go

Table of Contents

Lesson 1– Central Nervous System: Brain (Continued)

Brain stem ▫ Midbrain▫ Pons ▫ Medulla oblongata

Page 9: Table of Contents. Lessons 1. Nervous System Go Go 2. Diseases and Disorders Go Go

Table of Contents

Lesson 1– Central Nervous System: Spinal Cord

Controls many reflex actions

Pathway for messages to and from the brain and the nerves that go to the muscles and glands.

Page 10: Table of Contents. Lessons 1. Nervous System Go Go 2. Diseases and Disorders Go Go

Table of Contents

Lesson 1– Central Nervous System: Protection

Brain is protected by the skull

Spinal cord is protected by the vertebrae

Meninges cover and protect the brain and spinal cord:▫ Dura mater▫ Arachnoid▫ Pia mater

Cerebrospinal fluid

Page 11: Table of Contents. Lessons 1. Nervous System Go Go 2. Diseases and Disorders Go Go

Table of Contents

Lesson 1– Peripheral Nervous System

Cranial nerves ◦ 12 pairs and branches

Spinal nerves◦ 31 pairs and branches

Page 12: Table of Contents. Lessons 1. Nervous System Go Go 2. Diseases and Disorders Go Go

Table of Contents

Lesson 1– Autonomic Nervous System

Autonomic nervous system controls the involuntary, or automatic, activities of the body

Sympathetic system

Parasympathetic system

Page 13: Table of Contents. Lessons 1. Nervous System Go Go 2. Diseases and Disorders Go Go

Table of Contents

Lesson 2– Diseases and Disorders of the Nervous System

Myasthenia Gravis

Cerebrovascular Accidents

Multiple Sclerosis