Unit 3

How Does the Human Body Work?


Lesson 12

Reader's Notebook

By the Numbers: Fun Facts About Our Bodies


Pages 161 to 163 of Literacy in Action 5A.


Click each coloured row for information about the activity.

It takes 43 muscles to frown and 17 to smile.


Have you ever thought just how fascinating the human body is?


The selection, By the Numbers: Fun Facts About Our Bodies on pages 161 to 163 of Literacy In Action 5A provides bits of interesting information about the human body. Spend about one minute previewing the selection, but do not take the time to read it yet.

Answer Questions 1 and 2 in the Before Reading section of the Reader's Notebook: By the Numbers: Fun Facts About Our Bodies.





Document: Reader's Notebook: By the Numbers: Fun Facts About Our Bodies
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  1. Download the document Reader's Notebook: By the Numbers: Fun Facts About Our Bodies.
  2. IMPORTANT NOTE: When the download screen opens:
      • Click the "Open with" button.
      • Select "Adobe Reader".
      • Click "OK".
      • You will then be able to view the document Reader's Notebook: By the Numbers: Fun Facts About Our Bodies.

  3. Print the document.
Read the selection and jot down any facts that you find particularly interesting in the During Reading section of the Reader's Notebook: By the Numbers: Fun Facts About Our Bodies.

  1. Answer Questions 1 to 3 of the After Reading section of the Reader's Notebook: By the Numbers: Fun Facts About Our Bodies.
  2. As you can see, there are all sorts of interesting facts about the human body. You have been working on writing a scientific article or explanation about a human body part or system. Interesting facts will help make your writing more engaging to the reader.
  3. Explore one or more of the websites listed below to find at least two more interesting facts about the body part you are writing about.
  4. Write down the facts you find in Question 4 of the After Reading section of the Reader's Notebook: By the Numbers: Fun Facts About Our Bodies. Make sure to give the website that provided you with the information. (An example has been provided for you).
Your brain produces as much energy as a small light bulb.

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How to save a file:


  1. Scan the document to your computer.
  2. Have the file open and select Save As from the File menu.
  3. Name your Reader's Notebook: By the Numbers: Fun Facts About Our Bodies file in this format: jsmith_rnbythenumbers and save the file to your Documents folder.

Compare your responses with those in the Key by clicking here.