Healthy Skin

1
Healthy Skin Hair

• Chapter 3 Lesson 3

2
OBJECTIVES

• How to keep your skin protected and clean.
• How to care for your hair.
• Identify the functions of the skin.
• Know the 3 layers of skin.
• Know what causes acne.

3
What is the largest organ?

• ?
• Performs several key functions.

4
Waterproofing

• Your Skin serves as a protective covering against
  water.

5
Sensation

• Sense organ
• Contains nerve endings that give you information
  about temperature and touch.

6
Vitamin D Formation

• Skin uses the suns ultraviolet rays to produce
  small amount of Vitamin D.
• Builds bones and teeth.
• Controls moods.

7
Temperature Control

• Regulating body temperature.
• Blood vessels in your skin help retain or release
  heat.
• Perspiration cools your body.
• Cold pores close.

8
Protection

• 1st line of defense against germs and injury.
• Protects organs of the body.
• Prevent germs from entering the body.

9
Question?

• Is your skin the same all over your body?
• What are some of the differences?

10
Anatomy of Skin
11
Parts of the Skin

• 2 main layers ( epidermis dermis)
• Epidermis- outer layer of skin. New cells are
  always replacing old cells.
• Melanin- Substance that gives skin its color.
• Pores- tiny openings in the skin. (oil glands
  keep skin soft.
• Dermis-inner layer that contains blood vessels,
  nerve endings, and hair follicles.
• Under the dermis is a layer of fat tissue.
  (Insulator).

12
Caring for the skin

• Keep Clean ( early teens sweat glands become
  more active) (bacteria sweat stink) bath and
  shower daily.
• Take care of yourself Eat a healthful diet. Less
  high fat foods.
• Guard against the sun Ultraviolet rays can
  damage skin and increase risk of getting skin
  cancer. Sunscreen or block 15 SPF or higher.

13
ACNE

• Most Teens are affected ( everyone is different)
• Active oil glands cause pores to become clogged.
• Usually affects the face, neck, back and
  shoulders.

14
Fighting ACNE

• Gently wash affected area at least twice daily.
• Avoid touching, picking or rubbing affected area.
  
• Dont apply heavy make-ups/creams
• Dermatologist skin doctor.

15
Healthy Hair

• One of the 1st features that people notice.
• Hair color comes from melanin same as skin.
• Shape of hair comes from heredity.

16
Caring for Your Hair

• Dandruff flaking of the outer layer of dead skin
  cells on the scalp.
• Head Lice Parasitic insects that live in the
  hair and cause itching. Easy to catch from
  people. Dont share hats, combs, brushes.

17
Review

• What are the 2 layers of the skin?
• Names the 5 major functions of the skin?
• What causes ACNE?