A5.1.1.UnderSkin - Weebly



Anatomy & Physiology BIO 137

Chapter 5 Skin

Interactive National Geographic Activity

Name___________________

Date _________

Block ____

1. Go to the National Geographic Health and the Human Body webpage on Skin, accessible at

2. Select Stresses on the Skin on the blue bar below the main picture.

3. View what happens to the skin when you experience a shallow cut and when you experience a deep cut. Use the scroll bar to view what happens to the skin when it is cut, when it heals and when it is repaired.

4. In box 4 on the back, list the steps of healing that occur after a deep cut. Mention key skin layers that are affected as well as other human body systems that assist in the healing process.

5. Return to the Stresses on the Skin main page. Click on sun exposure to investigate how your skin type responds to sunlight.

6. Choose the skin tone that is closest to your own. Use the scroll bar at the bottom of the picture to watch what happens to the skin as sun exposure increases.

7. In box 7 on the back, describe what happens in the skin when a person tans versus when he/she burns. Also describe the potential consequences of prolonged sun exposure.

8. Select Effects of Aging on the blue bar below the main picture. Read the information on the main page and then click “Continue.”

9. Use the dial at the bottom left of the screen to watch what happens to the skin over the course of a person’s lifetime.

10. In box 10 on the back, create a timeline that describes the changes in the skin that occur from infancy to old age. Mention key skin layers as well as the proteins that were mentioned in the PowerPoint lecture.

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