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Ch 44: Parts of the Nervous System

About This Chapter

Learn new information or review your existing knowledge of the parts and functions of the nervous system with these video and text lessons. This chapter provides a great way to study for anatomy tests or make sure you're ready to take grade assessment or college entrance exams.

Parts of the Nervous System - Chapter Summary

What is a reflex and a synapse? How do we taste, smell and touch? What does each part of the nervous system do? These are the types of questions you can explore with the lessons in this chapter. You'll get details about sensory nerves and neurons, the response pattern of effector muscles and the various parts of the systems that make up the nervous system. Learning is made easy with the use of illustrations, examples and term definitions. After you have reviewed this chapter, you should be able to do the following:

  • Describe the parts and functions of the central, peripheral and autonomic nervous systems
  • Detail the response behavior of effector muscles and glands
  • Discuss the functions of sensory nerves
  • Identify different types of reflexes
  • Explain the role of sensory neurons in the five senses
  • Provide details about how sensory neurons transmit signals through synapses
  • Describe the parts and structures of the ears and eye
  • Understand the processes by which we touch, smell and taste

Instructors with backgrounds in science and teaching guide you easily through each topic, and the lessons are accessible at all times, from any device, so you can study when it's most convenient for you. Instructors can also be contacted with any questions you might have about this material. Track your progress using the Dashboard, and determine your readiness to move from one lesson to the next by taking the short self-assessment quizzes.

11 Lessons in Chapter 44: Parts of the Nervous System
Test your knowledge with a 30-question chapter practice test
Central Nervous System: Definition, Function & Parts

1. Central Nervous System: Definition, Function & Parts

The body is divided into many systems. In this lesson, you will learn about the parts that make up the nervous system and their functions to gain a better understanding of this critical system.

Peripheral Nervous System: Definition, Function & Parts

2. Peripheral Nervous System: Definition, Function & Parts

The human nervous system is very complex with many interactive units that are changing constantly to reflect human behavior and activity. This lesson focuses on the peripheral nervous system, including its function and parts.

Autonomic Nervous System: Function, Definition & Divisions

3. Autonomic Nervous System: Function, Definition & Divisions

In this lesson we'll learn the definition of 'autonomic nervous system.' The lesson explores the system's function and gives an overview of the divisions that comprise the system. A short quiz will follow.

Effector Muscles & Glands: Roles & Behavior

4. Effector Muscles & Glands: Roles & Behavior

This lesson goes over the stimulus-response pathway. You'll learn the definition of a stimulus, receptor, coordinator, effector, and response as well as how they all relate to one another.

Sensory Nerves: Types and Functions of Sensors and Receptors

5. Sensory Nerves: Types and Functions of Sensors and Receptors

In this lesson, we will explore what gives you the ability to sense temporary and sustained pressure, touch, and vibration. In addition, we'll touch base on certain nerves that allow you to sense the coolness of an ice cube in your mouth or the sensation of warmth on your skin.

Reflex: Definition, Types & Examples

6. Reflex: Definition, Types & Examples

In this lesson, you will learn about reflexes in the human body. Different types of reflexes will be discussed and examples will be provided when appropriate. Finally you will be able to test your knowledge of the content by taking the quiz.

Sensory Neurons: Definition & Function

7. Sensory Neurons: Definition & Function

In this video, you'll learn about sensory neurons and how they give rise to your five senses. Also, you'll explore the brain's role in processing transmissions from sensory neurons.

Synapse: Definition & Transmission

8. Synapse: Definition & Transmission

Neurons are cells in the nervous system that are necessary to communicate with other bodily cells and systems. This communication is done through connection points known as synapses.

The Eye and Eyesight: Large Structures

9. The Eye and Eyesight: Large Structures

Would you be able to see anything without a lens in your eye? Does the lens change shape? Does the iris? What structure gives you your eye color? Find out all of this and about things like the ciliary muscles and the cornea as we delve into this lesson.

The Parts of the Ears

10. The Parts of the Ears

Your ears are made up of three main parts, the external ear, middle ear, and internal ear. Sound waves move into your external ear causing the eardrum to vibrate, which moves the tiny bones of your middle ear, and then it's on to the internal ear.

Taste, Touch & Smell: Proprioception & the Somatosensory System

11. Taste, Touch & Smell: Proprioception & the Somatosensory System

How do taste, touch and smell work? Also, what is proprioception? Throughout this lesson, you'll get a detailed description on each of these remarkable senses.

Chapter Practice Exam
Test your knowledge of this chapter with a 30 question practice chapter exam.
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Practice Final Exam
Test your knowledge of the entire course with a 50 question practice final exam.
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