Name __________________ Date _________

Internet Challenge #1: The Human Body

 

Part III

Welcome back to The Internet Challenge on the Human Body. Lets learn about The Digestive System and The Respiratory System in Part III of this Challenge.

Lets travel back to the same website ("The Human Body") - Type in the URL: http://tqjunior.advanced.org/5777/

Scroll down the page to "Meet Your Tour Guides." Click on "Our Human Body." Under "Control," click on "Digestive." Read the text. Answer the questions.

  1. The process by which food is changed into substances that can be absorbed and used by the body is called ________________.
  2. There are eight organs involved in the digestion of foods. List any two of them in these blanks: ______________ and ____________________
    Good answers!
    Click "Mouth and Teeth." Read the text. See if you can answer these questions.
  3. Which teeth grind the food you eat? _________________________
  4. How many permanent teeth do you have? _______________________
  5. ___________ is an enzyme that helps break down the ____________ in the food.
  6. After you've chewed and swallowed your food, where does it go after it leaves the esophagus? ______________________

    Way to go!
    Click "Next" (at the bottom of the page). "Traveling Food" will appear on your screen. Read the text and answer these questions.
  7. Food is mixed with _____________ in the stomach.
  8. How quickly does food leave your stomach? _____________________
  9. The ____________ intestine is the final place for digestion.
  10. The digestive juices released in the small intestine finish ___________.
  11. What kind of motion is food moved along in the small intestines? ______
  12. What is peristalsis? ____________________________________
  13. What are villi? ________________________________________
  14. Waste products and food that are not absorbed in the small intestines pass into the_________________ _______________________.
  15. Which is longer in length? the small intestines / the large intestines (circle one)
  16. Which is larger in diameter? the small intestines / the large intestines (circle one)
  17. How long can it take for food to pass completely through your large intestines? _____
    Awesome detective work!
    Click "Next." Read about the "Gall Bladder, Pancreas and Liver." Answer the questions.
  18. Where is the pancreas located in your body? ___________________
  19. What does it produce? (a) ________________________________

    (b) ___________________________________________________

  20. The largest gland in your body is the ___________________.
  21. How much does the liver weigh and how long is it? ______________, ___________
  22. What does the liver store? ________________________________
  23. Which vitamin is manufactured in the liver? _____________________
  24. ____________, which is needed to break down fat, is made in the liver.
  25. The ________________ is a small sac on the underside of the right lobe of the liver.
  26. The gallbladder stores ______________ that is made by the liver.

    :-) (Computer smiley face!) Whew! We've completed our journey through the Digestive System. Now, let's continue our travels through the Respiratory System.

    Click "Next" (at the bottom of the page). "Welcome to the Respiratory System" will appear on your screen.

    Click " Nose and Throat." Read the text and answer these questions.

  27. As you inhale, small specks of dirt are trapped by many tiny hairs in your nose. True or False?
  28. How does the nasal cavity play an important part in our breathing? ______________________________________________________

    ______________________________________________________

  29. 104. Why is the air you breathe out on cold days visible? ______________

    Congratulations!

    Click "Next." Read about our "Windpipe and Bronchial Tree."
    Answer these questions.

  30. What compound word is another word for the trachea? ___________
  31. The bottom of the trachea splits into two branches called the ______
  32. Bronchioles open into little bags that are called _______________.
  33. How many alveoli (air sacs) do we have in each lung? _____________
  34. Alveoli give our lungs a huge surface for absorbing _____________ from the air.

    Exceptional answers!

    Click "Next." Lets read about our " Lungs." Answer the questions listed below.

  35. What is the fuel that makes our body work? ____________________
  36. Your lungs are about the size of a pair of _____________________.

Click here to check your answers.

Very good answers! You've finished Part III of this Challenge. The human body is pretty complex, isn't it? Lets not forget to take care of it. 
  1. **End of Part III of The Internet Challenge &endash; The Human Body, The Digestive and Respiratory Systems**

Part I | Part 2 | Part 3 | Part 4 | Part 5 | Teachers |