Web Link Exercises

Unit 5 Make Safe and Drug Free Decisions

Chapter 14, Lesson 1
American Academy of Dermatology
Today, magazines and TV shows are flooded with advertisements for skin care products. It seems that skin care has become as basic as brushing your teeth in the morning. But how much do you really know about caring for your skin? Did you know that waterproof sunscreen can make your skin break out? Do you know the difference between UVA and UVB rays? To find out, visit this site and learn about sunscreens, athlete's foot, rashes, and much more.

AcneNet
Does chocolate really cause breakouts? Does sunlight really help clear acne?This site dispels common myths and misconceptions about acne and offers advice on treating this common skin problem. In your own words, write a brief report on what causes acne and how to treat it.

CDC: Choose Your Cover
What do a hat, a beach umbrella, and sunscreen have in common? They all help to protect your skin from the sun. Visit this Web site to learn about the sun's ultraviolet rays, the risk factors for skin cancer, and ways to protect your skin. What are the three major types of skin cancer? Who is at risk for skin cancer? How can skin cancer be prevented?

Chapter 14, Lesson 2
Healthy Teeth
You probably already know the basics of tooth care: brushing and flossing. But do you know what really causes cavities and why it's so important to keep your teeth healthy? Make a list of ways you can prevent cavities from ever forming. For fun, also try one of the experiments listed under "Experiments and Activities."

American Dental Hygienists Association
When you think of all the times you use your teeth each day-for eating, talking, and smiling-you realize why healthy teeth are so important. At this Web site, click on the "Oral Health Info" link to learn how to take care of your teeth and gums by eating healthful foods and brushing and flossing properly. What are the warning signs of periodontal disease? How can this disease be prevented?

Chapter 14, Lesson 3
Seeing, Hearing, and Smelling the World
The brain sends and receives messages through a network of nerves. This network is like a complex highway system and sometimes the brain can be fooled into making a wrong turn. Read the first article about illusions and learn how the brain can be fooled by common visual signals.

Dissecting a Cow's Eye
By now you might have seen quite a few textbook illustrations of the eye, but have you ever wished you could just take it apart to see what makes it tick? Well, now you can. Learn the different parts of the eye by following this step-by-step dissection of a cow's eye. Listen to audio explanations as you view the photos.

Chapter 15, Lesson 1
Human Anatomy On-line - InnerBody.com
Are you aware that the average adult skeletal system contains 206 bones? Did you know that a smile uses 17 muscles, while a frown uses 43? These are just a few of the interesting facts about body systems that you will learn at this Web site. Draw a diagram of one of the body systems, and label at least ten of its major parts.

E-skeletons Projects
Examine pictures of real human bones and view joints from different angles. After studying some of the main bones and joints of the body, use the glossary feature to study terms and view animations of bones and joints in motion.

Chapter 15, Lesson 3
Cut to the Heart
Place your hands on a flat surface in front of you with the palms up and count how many times you can open and close your hand in one minute. How many times could you do it? Did your hands get tired? Even at rest, your heart works twice as hard as the leg muscles of a sprinter. Study an animated map of the heart and learn how the heart moves blood to supply your whole body with oxygen. Explore the pictures of diseased hearts and learn how surgeons treat heart disease.

Chapter 15, Lesson 4
Inside the Human Body: The Respiratory System
The job of oxygenating and removing waste from the blood is handled by the complex apparatus that makes up the respiratory system. Visit the Web site and read about all the parts that complete the respiratory system. After you are done reading, test your knowledge by completing one of the word games.

Chapter 15, Lesson 5
Neuroscience for Kids
The brain is perhaps the most fascinating organ in your body. The brain's complex network of neurons controls everything in your body from breathing to emotions. What made Einstein's brain special? Do we really only use 10% of our brain? Read one article from a category that interests you. What surprised you most? After you are done reading, print out and complete four worksheets contained here (http://faculty.washington.edu/chudler/works.html).

Chapter 15, Lesson 6
Your Gross and Cool Body
Have you ever wondered where dandruff or hiccups come from? They are both byproducts of your body's natural functions. Go to "Pick a body function" and read the section on "Bad Breath" and then learn about your body's sense of smell. Share some of the facts you find here with classmates in a short report.

BodyQuest
Read the section on the digestive system and take the quiz to find out how much you really know about this vital body system. Then click on "Experiments" in the upper navigation bar and perform one of the experiments listed. What were your findings? Using information found on this site and what you learned in class, explain the function and processes of the digestive system.

Chapter 16, Lesson 1
Cells Alive
On the most basic level, your body is composed of millions of individual cells that work together to fulfill the complex functions of life. Blood cells carry oxygen to your muscles. T-cells train to attack invading substances and particles. This site contains hundreds of computer enhanced and microscopic images and animations of cells. Click on the "Cell Gallery" in the left navigation bar and find pictures and animations of three different types of cell functions.

Chapter 16, Lesson 4
Secrets of Aging
Explore how scientists study aging, and learn about how the aging process affects the body and the mind. Watch video clips and try some of the interactive activities on this Web site to better your understanding of the aging process. Then, create a brochure that explains some of the information you have learned. Share your brochure with your class.