Body Atlas Video Series – Skin
Body Atlas Video Series – Skin
1. What is the outer layer of skin called? ________________________________________
2. The skin we see and touch is actually ________________________________________.
3. How many pounds of skin cells do we shed in a lifetime? _________________________
4. What is the name of the pigment that makes us tan? ____________________________
5. Do all people have the same number of melanin cells? Yes No
6. Why do some people have darker skin than others? ______________________________ _______________________________________________________________________
7. Skin cell’s use the sun’s energy to manufacture Vitamin __________________________. This helps to build strong __________________________________________________.
8. What is the second layer of skin called? ______________________________________
9. What are 2 fibers that allow skin to stretch? ______________ & ___________________
10. Our skin controls our body ______________________________________________.
11. _________________________ ____________________________ are part of the body’s thermostat mechanism.
12. What makes us feel gritty after exercise? ___________________________________
13. Our bodies try to keep a ______________________________________ temperature.
14. Blood vessels __________________________________, increasing blood flow to the surface of the skin. This is how the blood allows the body to release heat.
15. When you are cold, blood vessels _________________________________________.
16. Where on your body do you lose heat fastest? _______________________________
17. When the heat sensors in your skin feel cold, tiny _____________________________ pull up the hairs on your skin, trapping a warming layer of air next to the skin.
18. Touch receptors/sensors work the best on our _______________________________.
19. What gives our face shape and expressions? ________________________________
20. ___________________________ is made up of the same material of skin and grows out of a tiny pit in the skin called a ____________________________.
21. Who has more hair? Human Gorilla
22. Hair in our ears filters out ____________________ & _________________________.
23. Do fingernails have nerves? Yes No
24. As we get older our skin gets ____________________________________________.
25. Skin is our first line of __________________________________________________.
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