1. Integumentary System
Protecting the inside of your body

2. What does the integumentary system
do?
• Protect the body’s tissue and organs.
• Protect against parasites and other animals entering the
body.
• Protect the body from dehydration
• Protect the body against changes in temperature
• Help push out waste materials through perspiration
• To feel touch, pressure, pain, heat, and cold
• Protect the body against sunburns by making melanin
• Make vitamin D from sunlight
• Store water, fat glucose, and vitamin D
• Gives shape to the body
• Makes new cells when you are injured.

4. Skin
• Your skin is the largest organ in your body.
It is 12-15% of your body weight.

5. dust
The dust in your house is from your dead skin
cells. 40000 skin cells fall off your body every
minute.

6. Your palms and the soles of your feet
have more skin.

7. Bad skin habits
• 1. Smoking
• 2. Not sleeping enough
• 3. Forgetting to remove makeup
• 4. Not wearing sunscreen
• 5.Over-exfoliating ขัด ผิว
• 6. Using the wrong skin care products

8. Skin cancer
Skin cancer is
often caused by
UV radiation
from the sun.

9. Your skin has the sense of touch

10. Making vitamin D

11. melanin
Melanin gives your skin its color. It protects your
skin from the sun’s UV rays.

12. Perspiration (sweat)
Our skin sweats to keep
us cool and to push out
waste and toxins.

13. Collagen
• Collagen makes
your skin strong,
smooth and supple.
• When we get old,
we lose it and get
wrinkles.

14. Collagen products- Do they work?
These things are expensive, and there is no evidence
that they work. Don’t waste your money!

15. What should you do for your skin?
• Eat nutritious foods and
drink lots of water.
• Sleep well
• Stay away from
cigarette smoke and too
much sun.

16. fingernails
Our nails are very
useful tools.
They are made of
keratin.
They protect our
fingers and toes.
The color of our
nails tells a lot
about our health.

17. fingerprints
Every person has unique
fingerprints.
Fingerprints help catch
criminals.

18. hair
Hair grows about 1.25
centimeters every
month.
Hair is made of a protein
called keratin.
We have as many hairs
as a monkey on our
body, but most of our
hairs are very thin.

19. Why do we have hair?
• Hair keeps us warm in the winter, and protects
our head from the sun.

20. Comb your hair and massage your
scalp
This brings more blood and oxygen to your scalp,
making it healthier.

21. Don’t tie your ponytail too tight
This woman has lost some hair.

22. Dry hair
Using a blow dryer, or dyeing your
hair can damage it.
I think natural is best.

23. Grey hair
Your hair stops making
pigment when you are
older.
Going gray is not a bad
thing.

24. pores
Your pores are the small holes in your skin that let
sweat out.

25. pimples
A pimple happens when
extra oil gets trapped in
your pores.

26. Questions
• Why do we have hair?
• How can we keep our hair healthy?
• What do we have on our fingertips, that is different for
everyone?
• Are whitening products good for our skin?
• What is in our skin that makes it dark or light?
• What is the largest organ in our body?
• What does our skin do?
• Why do we sweat?
• What happens when oil gets trapped under your
pores?