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Chapter 22: The Nervous and Endocrine Systems

Difficulty Level: At Grade Created by: CK-12
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The Nervous and Endocrine Systems


Lesson 22.1: The Nervous System

22.1.1 Nerve Cells

  • Neuron Structure
  • Myelin Sheath
  • Types of Neurons

22.1.2 Nerve Impulses

  • Resting Potential
  • Action Potential
  • The Synapse

22.1.3 Central Nervous System

  • The Brain
  • Spinal Cord

22.1.4 Peripheral Nervous System

  • Somatic Nervous System
  • Autonomic Nervous System

22.1.5 The Senses

  • Sight
  • Hearing
  • Balance
  • Taste and Smell
  • Touch
  • KQED: The Flavor of Food: Smell + Taste + Touch

22.1.6 Drugs and the Nervous System

  • Examples of Psychoactive Drugs
  • Drug Abuse and Addiction

22.1.7 Disorders of the Nervous System

  • KQED: Autism: Searching for Causes
  • KQED: Alzheimer's Disease: Is the Cure in the Genes?

Lesson 22.2: The Endocrine System

22.2.1 Glands of the Endocrine System

  • Hypothalamus
  • Pituitary Gland
  • Other Endocrine Glands

22.2.2 How Hormones Work

  • Steroid Hormones
  • Non-Steroid Hormones

22.2.3 Hormone Regulation: Feedback Mechanisms

  • Negative Feedback
  • Positive Feedback

22.2.4 Endocrine System Disorders

  • Hypersecretion
  • Hyposecretion
  • Hormone Resistance

Pacing the Lessons

Use the Class Periods per Lesson table below as a guide for the time required to teach the lessons of this chapter.

Lesson Number of Class Periods
22.1 The Nervous System 3.0
22.2 The Endocrine System 2.0
  • Class periods are assumed to be 60 minutes long.

Online Resources

See the following Web sites for appropriate laboratory activities:

1. In this lab, students will map the density of sensory receptors in skin on different parts of the body. (Lesson 22.1)

2. This group inquiry lab allows students to investigate the effects of environment on memory. (Lesson 22.1)

These Web sites may also be helpful:

1. These neurobiology lesson plans were developed by high school teachers for use in high school introductory or advanced biology classes. They include activities, labs, and PowerPoint presentations.

Chapter Outline

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