Section: Module 8: Lesson 4: Relfexes and Senses | Biology | NextGenU.org

  • Learning Objectives:
    • Describe the general and special senses in humans, the three important steps in sensory perception, and explain the concept of just-noticeable differences in sensory perception.
    • Describe the generation of reflexes as unconscious responses and their importance.
    Approximate time required for the readings for this lesson (at 144 words/minute): 3 hours and 59 minutes.

    Click here to start this lesson

    • Required Learning Resources and Activities
    • Read the entire page. (13 minutes)

      Rice University - 2016

    • Read the entire page. (30 minutes)

      Rice University - 2013

    • Dane was in the kitchen making soup when his hand accidentally touched the hot stove. He quickly pulls his hand away before it burns him. Explain what caused Dane’s reaction. (100 min)

      Instructions: 

      Step 1: Analyze

      Review the required learning materials for this lesson.

      How Neurons Communicate

      Step 2: Respond 

      Based on the scenario, prepare a 250-300 word piece that explains how the nervous system works. Your response should address the following points: 

      • Describe the stimulus and reflex in the scenario.
      • Explain the pathway of nerve impulses concerning the scenario.  
      • Explain the importance of reflexes.

      Step 3: Share 

      To share your work, click on the “Add a new discussion topic” button under this post and paste your work in the “Message” box. Make sure to reference others’ intellectual property when necessary. All references should follow 7th Edition APA formatting. For further instructions, see the resource on the Himmelfarb Health Sciences Library: APA citation resource (N.B. references are excluded from word counts).

      Step 4: Interact

      Evaluate and categorize the work from one of your peers based on items A - E of the rubric below. Provide a rationale for the grade you have provided, as well as comments or suggestions for improvement. To post a reply, click “Reply” on a particular discussion, write your feedback and then click on “Post to forum.” 

      You can use the list below as an example:

      Item A is  .…. because….  My suggestions for improvement are….
      Item B is  .…. because….  My suggestions for improvement are….
      Item C is  .…. because….  My suggestions for improvement are….
      Item D is  .…. because….  My suggestions for improvement are….
      Item E is  .…. because….  My suggestions for improvement are….

      OPTIONAL Step 5: Interact (10 minutes)

      If you would like to, you can reply to your peers' posts in a respectful and professional manner. Ensure that your post engages your peers' ideas by including a reflection on their comments, sharing ideas of other potential difficulties and parties involved, or asking thought-provoking questions. If a peer comments on your posting, please reply. To post a reply, click “Reply” on a particular discussion, write your feedback and then click on “Post to forum.”


    • quiz icon
      Quiz: Module 8

      To access the quiz, click on the name of the quiz provided above. On the following screen, click the attempt quiz button to view the case studies and respond to the questions.

      TO PASS THIS QUIZ YOU MUST OBTAIN A SCORE OF 80%.

      Not available unless: The activity Quiz: Module 7 is marked complete