Chapter 14 Warm-Up

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Chapter 14 Warm-Up

• Part 1 Make a list of ways to keep your teeth
  healthy. Circle the behaviors you engage in
  regularly. Put a star next the ones you would
  like to improve.
• Part 2 Make a list of activities during which
  some type of eye protection should be worn.
  Consider both recreational and sport activities.

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Chapter 14

• Personal Care and
• Healthy Behaviors

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Lesson 1 Healthy Skin, Hair and Nails

• Structure and Function of Skin
• Epidermis Outer, thinner layer that is composed
  of living and dead cells.
• Dermis Thicker layer of the skin beneath the
  epidermis that is made up of connective tissue,
  and contains blood vessels and nerves.
• Melanin Pigment that gives skin, hair and the
  iris of the eyes their color.

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Healthy Skin

• In order to keep your skin healthy follow these
  steps
• Wash your face twice a day.
• Daily bathing or showering helps remove and slow
  bacteria growth that causes body odor.
• Avoid touching your face with your hands, this
  can introduce new bacteria to the skins surface.
• Choose personal skin care products carefully!

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Protect from UV Rays

• Even though a sunburn or tan can fade or
  disappear, the damages of the UV rays are
  long-term.
• Always wear sunscreen on exposed areas of skin.
• Wear protective clothing Hats, long-sleeved
  shirts, long pants, etc. to prevent excessive
  exposure.
• Sunlight is most intense from 10am-4pm.

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Body Piercing and Tattooing

• The practice of piercing and tattooing has been
  around for thousands of years. These changes are
  permanent and carry potential health risks.
• Blood borne pathogen risk is increased
• Hepatitis B, Hepatitis C and HIV through
  non-sterile needle use.
• Tattooing and piercing can also affect your
  social health.

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Common Skin Problems

• Acne
• Touching or picking at only aggravates the
  condition and may cause scarring.
• Warts
• Boils
• Moles
• Certain moles may develop into Melanoma the
  most serious form of skin cancer.

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Melanoma

• ABCDs of Melanoma
• A Asymmetry Line drawn through middle does
  not produce matching halves
• B Border irregularity Noncancerous moles have
  smooth edges, suspect moles often have irregular
  edges.
• C Color Look for moles that are intensely
  black, or with bluish tint, or uneven color.
• D Diameter Check for moles that are wider
  across than a pea.

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Your Hair

• Hair is on almost every skin surface.
• Between 100,000 to 200,000 on your head!
• Regular shampooing and daily brushing helps keep
  hair healthy.
• Limit the use of permanents, dyes, or bleaches
  Overexposure can make hair dry and brittle.

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Hair Problems

• Dandruff Scalp becomes too dry and dead skin
  cells shed as sticky, white flakes
• Head Lice Mainly spread from Head-to-Head
  Contact.
• Dont share hairbrushes with anyone!
• After ridding yourself of infection, sterilize
  sheets, hairbrushes, combs, curling/flat irons,
  and hats to prevent reinfection.

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Your Nails

• Serve as protection of the tissues of the fingers
  and toes.
• Keep nails clean and evenly trimmed.
• Trim toenails straight across and just slightly
  above the skin to prevent ingrown nails, and to
  reduce risk of infection.

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Lesson 2 Care of Teeth and Mouth

• Your Teeth
• The periodontium is the area immediately around
  the teeth. It is made of the gums, periodontal
  ligaments, and the jawbone.
• A tooth is made up of three main parts.
• The crown visible portion of the tooth. It is
  covered with enamel.
• The dentin Middle Layer of the tooth.
• The pulp the tissue that contains the blood
  vessels and nerves of a tooth. Pulp extends into
  the root canal and provides nourishment to the
  tooth.

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Healthy Teeth and Mouth

• Plaque is a sticky, colorless film that acts on
  sugar to form acids that destroy tooth enamel and
  irritate gums.
• Plaque and bacteria can cause tooth decay.
• Tooth decay and other diseases can be prevented
  by brushing after eating and flossing daily.
• Regular dental visits are important for
  maintaining dental health.
• Follow a well-balanced diet include phosphorus,
  calcium, and vitamin C.
• Reduce amount of sugary snacks you eat.
• Avoid all tobacco products.

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Problems of the Teeth and Mouth

• Halitosis, or bad breath, can be caused by eating
  certain foods, smoking, poor hygiene, bacteria on
  the tongue, decayed teeth, or gum disease.
• Periodontal disease is caused by bacterial
  infection.
• Malocclusion, bad bite, may be caused by having
  extra teeth and misalignment of the upper and
  lower jaws.

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Your Eyes

• Your eyes sit in bony sockets, called orbits, in
  the front of your skull. They are cushioned
  inside the orbits by a layer of fat.
• Your eyebrows, eyelashes, and eyelids protect
  your eyes from foreign particles and bright
  light.

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Parts of the Eye

• Two Main Parts
• Optic Nerve connects the eye with the brain to
  produce images.
• Three Layers of the eyeball wall.
• Outermost layer is made up of the sclera and the
  cornea
• The middle layer of the eye wall includes the
  choroids, iris - which contains the pupil, and
  the retina.

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• Important Tips to Have Healthy Eyes
• Follow well-balanced diet. Vitamin A deficiency
  can affect night vision.
• Protect your eyes. Safety goggles or mask should
  be worn when the eyes could get damaged. Keep
  dirty hands away from your eyes to reduce risk of
  eye infection and injury.
• Have regular eye exams to detect any problems as
  early as possible,
• Rest your eyes regularly Take breaks when
  working on the computer, look up every 10 minutes
  to reduce eyestrain.

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Lesson 4 - Parts of the Ear

• The ear has three main sections.
• Outer ear begins with the visible part of the
  ear, called the auricle.
• The middle ear contains the auditory ossicles
• The middle ear is connected to the throat by the
  Eustachian tube.
• The inner ear, or labyrinth, consists of a
  network of curved and spiral passages with three
  main parts.
• The cochlea is the area of hearing.
• The vestibule and semicircular canals are where
  balance is controlled.

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• Healthy Behaviors for Healthy Ears
• Clean your ears regularly.
• Let the shower water gently run into your ears.
  That will melt any ear wax you have in your ears.
• Protect your ears from injury and extreme cold.
• Keep foreign objects, including Q-tips, OUT of
  your ears! Only use Q-tips on the external part
  of your ear!
• Have ear infections treated immediately by a
  health care professional.
• Have your ears examined and your hearing tested.
• Protect your hearing by avoiding overexposure to
  loud noise, that may lead to hearing loss or
  deafness.