Name / Period
How Your Skin Works
While reading the article, answer the following questions.
1. The skin is the body’s __________ organ.
a. Hardest working
b. Most athletic
c. Largest
d. Smallest
2. If you were to stretch out the skin of the average adult, it would cover ________ square feet.
a. 12
b. 22
c. 32
d. 42
3.
Write three different functions of the skin.
______________________________________________________________________________
______________________________________________________________________________
______________________________________________________________________________
______________________________________________________________________________
______________________________________________________________________________
4. The skin helps maintain our body temperature to remain near ____________ degrees F.
a. 99.5
b. 98.7
c. 100
d. 96.8
5. What structure in our skin sends signals to the brain to communicate the sensations you’re
feeling?
a. Blood vessels
b. Nerve ending
c. Hair follicles
d. Sweat glands
6. What is the thinnest, outmost layer of the skin?
a. Epidermis
b. Dermis
c. Hypodermis
d. Adipose tissue
7. What pigment gives our skin its color?
a. Epidermis
b. Dermis
c. Adipose
d. Melanin
8. How long does it take for us to replace all the skin on our body?
a. 10 days
b. 35 days
c. 90 days
d. 324 days
e.
9. What layer of skin contains blood vessels?
a. Epidermis
b. Dermis
c. Hypodermis
d. Adipose tissue
10. What is the middle layer of skin that contains the sweat glands and hair follicles?
a. Epidermis
b. Dermis
c. Hypodermis
d. Adipose tissue
11. What gives skin its firmness?
a. Melanin
b. Collagen
c. sweat
d. oil
12. In what layer is pain felt?
a. Epidermis
b. Dermis
c. Hypodermis
d. Adipose tissue
13. The innermost layer of our skin is the ________.
a. Epidermis
b. Dermis
c. Hypodermis
d. Adipose tissue
e.
14. What are tiny holes that contain hair follicles and act as outlets for sweat and sebum to leave
the body?
______________________________________
15. What is Sebum?
______________________________________________________________________________
______________________________________________________________________________
16. Where is sebum made?
a. Sebaceous glands
b. Eccrine glands
c. Hair follicles
d. Melanocytes
17. What glands are the most prevalent and are located all over the body?
a. Sebaceous glands
b. Eccrine glands
c. Hair follicles
d. Melanocytes
18. What is the name of the specialized skin cells that produce Melanin?
______________________________________
19. Freckles are small, flat groupings of melanin-filed cells called ____________________________.
20. How long does it take for the body to bridge a deep cut?
a. One week
b. Three to six weeks
c. Ten weeks
d. Two days
21. What are Hypertrophic scars?
______________________________________________________________________________
______________________________________________________________________________
______________________________________________________________________________
22. What are Keloid scars?
______________________________________________________________________________
______________________________________________________________________________
______________________________________________________________________________
23. What is intrinsic aging?
______________________________________________________________________________
______________________________________________________________________________
______________________________________________________________________________
24. What is extrinsic aging?
______________________________________________________________________________
______________________________________________________________________________
______________________________________________________________________________
25. List five things you can do to care for your skin?
1.
2.
3.
4.
5.