Nervous System Lessons

Lesson 2 - Reflex Arc

In this lesson you will learn about

1. a) Watch this video to learn about the reflex arc. The reflex arc is a response that our bodies do automatically to help us avoid danger. 

b) Here is another video about the reflex arc as well. It is 2 minutes long. Username and password for the following video - username: palliserrd   password: digital

2. Once you've watched the video answer the questions from this document. These questions will help make sure that you correctly understand the information from the lesson.

3. Read Chapter 11 pages 369-371 from the textbook for a deeper understanding of this material.

This PowerPoint outlines all the main points that you need to know from this lesson. You can use this PowerPoint as a review when you revisit this information at a later date.

Self Assessment Section. Have you come away from the lesson knowing all of the things that you need to know?

i) I can define this list of words: 

  Effector    sensory neuron        motor neuron   
  reflex arc     sensory receptor    interneuron

ii) I can explain the importance of the reflex arc.

iii) I can draw a diagram of a reflex arc, starting with the stimulus and ending with movement of the muscle.

4. Once you have learned the information for this lesson, complete the assignment Nerve Communications