Physical Health

1
Physical Health

• Chapter 14

2
Your Skin

• Is a protective shield against water
• Is a defense against germs
• Helps control body temperature

3
Parts of Skin

• Epidermis outer most layer of skin
• Melanin an agent that gives the skin most of
  its color
• Dermis broad layer of skin that contains glands
• Oil Glands glands which produce oil to keep the
  skin soft

4

• During adolescence, hormones increase the amount
  of oil produced by these glands
• the extra oil may clog pores and cause acne

5

• Acne is a skin condition in which the glands and
  hair follicles are inflamed.
• Acne is caused by an increase production of
  oilNot by diet
• (Teens with a severe acne problem may want to see
  a dermatologist

6
Sweat Glands

• allow perspiration to escape and collect on the
  skin.

7

• Perspiration consists of water, salt and waste
  products.
• It escapes through your pores (tiny holes in the
  skin)

8

• Controlled by
• Regular bathing
• Use of deodorant and antiperspirant

9
Your Skin and the SUN

• Risks of prolonged exposure to the sun
• Premature aging of the skin
• Skin Cancer

10
To Lower Skin Risk

• Limit exposure to the sun
• Wear protection hat, sunscreen, long sleeves
• SPF Sun Protection Factor tells you how many
  times your bodys natural protection they provide.

11
Ways to care for SKIN and NAILS

• Bathe or shower everyday
• Take a bathe or shower after exercising or being
  in hot weather
• Use an anti-perspirant or deodorant under the
  arms to control body odor

12

• Gently wash areas affected by acne with a mild
  soap
• Never squeeze or rub pimples, whiteheads or
  blackheads
• Use cosmetics, especially oily makeup, sparingly

13

• Seek help from a dermatologist
• Protect skin by wearing sunscreen
• Seek proper medical care for skin rashes

14

• Regularly check moles, warts, and freckles for
  color, size and shape change
• Keep finger nails clean and trimmed

15
Ways to Care for your HAIR

• Wash your hair at least twice a week
• Wash your hair more often if you are very active,
  perspire heavily, or have an oily scalp
• Select the shampoo that is best for your hair

16

• Use a special shampoo if you have dandruff
• Work suds through the hair once and rise
  thoroughly
• If you use a conditioner, follow the direction
  carefully

17

• Comb your hair instead of brushing it, when wet
• Allow your hair to dry naturally or use a blow
  dryer on cool or warm setting
• Do no overuse products such as hairspray, mousse
  or gel
• Do no share combs, brushes, or hats

18
Types of Teeth

• Incisors
• Canines
• Premolars
• Molars

19
Factors of Tooth Decay

• Plaque a sticky film that is constantly forming
  on your teeth
• Calulus or Tartar plaque left on your teeth for
  a day or longer and hardens into this once
  formed, brushing alone isnt enough
• Cavity when the acid under the plaque or tartar
  eats a hole in the tooth

20

• Malocclusion a condition in which the teeth
  fail to line up properly
• Enamel The hard material that covers the crown
  of the tooth
• Gingivitis A gum disease caused by plaque or
  decaying food caught between teeth.
• Cementum Thin bone like material covering the
  root.

21
Take Care of Your TEETH

• Brushing
• Flossing
• Fluoride
• Mouth rinse
• Diet
• Going to the dentist every six months

22
Parts of the EYE

• Lens
• Pupil
• Retina
• Iris
• Cornea
• Sclera
• Optic Nerve

23

• Nearsighted a condition in which you see close
  objects clearly and distant objects appear
  blurred
• Farsighted a condition in which you see distant
  objects clearly and clsoe objects appear blurred

24

• Astigmatism a condition in which images are
  distorted
• Eyeglasses are used to correct eye problems

25

• Rods nerve endings distinguish objects in
  shades of black, white, and gray
• Cones distinguish the colors red, blue, and
  green

26
Parts of the EAR

• Stirrup
• Eardrum
• Semicircular canals
• Vestibule
• Cochlea
• Auditory nerve

27

• Middle ear anvil, ear drum, hammer, stirrup
• Inner ear- auditory nerve, cochlea, semicircular
  canals, vestibule

28

• When you hear, your ear is picking up sound
  waves.
• These vibrations enter the ear and cause the ear
  drum to vibrate.
• These vibrations are then carried across the
  middle ear to the oval window.

29

• Movements of the stirrup cause the fluid and tiny
  sir fibers in the cochlea to move.
• The hair produces electrical messages through the
  auditory nerve to the brain.
• Balance id controlled by the semicircular canals.

30
FOOT Problems

• Callus hard, thickened part of skin on the foot
• Corn an overgrowth of the skin at some point on
  the toe
• Blister a fluid filled pouch on the skin

31

• Athletes Foot a problem caused by fungi growing
  in the warm, damp areas of the foot
• Bunion a swelling in the first joint of the big
  toe

32
Good Posture

• Helps you move, stand, and sit with ease
• Helps you save energy
• Allows your internal organs to function properly
• Helps your bones and muscles grow properly
• Makes your figure and body build look good