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CHAPTER 13 PERSONAL HEALTH CARE. CHAPTER 13 DESCRIBES HOW TO CARE FOR SKIN,HAIR,AND NAILS.DESCRIBES HOW TO CARE FOR SKIN,HAIR,AND NAILS. IT ALSO DESCRIBES.

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Presentation on theme: "CHAPTER 13 PERSONAL HEALTH CARE. CHAPTER 13 DESCRIBES HOW TO CARE FOR SKIN,HAIR,AND NAILS.DESCRIBES HOW TO CARE FOR SKIN,HAIR,AND NAILS. IT ALSO DESCRIBES."— Presentation transcript:

1 CHAPTER 13 PERSONAL HEALTH CARE

2 CHAPTER 13 DESCRIBES HOW TO CARE FOR SKIN,HAIR,AND NAILS.DESCRIBES HOW TO CARE FOR SKIN,HAIR,AND NAILS. IT ALSO DESCRIBES HOW TO TAKE CARE OF THE TEETH, EYES, AND EARS.IT ALSO DESCRIBES HOW TO TAKE CARE OF THE TEETH, EYES, AND EARS. BELLRINGER-WHAT KIND OF PERSONAL CARE DO YOU DO?BELLRINGER-WHAT KIND OF PERSONAL CARE DO YOU DO?

3 LESSON 1 PROPER CARE OF SKIN, HAIR, AND NAILS IS IMPORTANT FOR KEEPING THE WHOLE BODY HEALTHYPROPER CARE OF SKIN, HAIR, AND NAILS IS IMPORTANT FOR KEEPING THE WHOLE BODY HEALTHY BELLRINGER-WHAT ARE THE BENEFITS OF SUNSCREEN?BELLRINGER-WHAT ARE THE BENEFITS OF SUNSCREEN?

4 LESSON 1 HEALTHY SKIN,HAIR,AND NAILS BIG IDEA-CARE FOR THE SKIN,HAIR,AND NAILS IS NECESSARY FOR GOOD HEALTHBIG IDEA-CARE FOR THE SKIN,HAIR,AND NAILS IS NECESSARY FOR GOOD HEALTH THE SKIN PROTECTS THE BODY PATHOGENS,REGULATES BODY TEMPERATURE, AND FEELS SENSATIONS.THE SKIN PROTECTS THE BODY PATHOGENS,REGULATES BODY TEMPERATURE, AND FEELS SENSATIONS.

5 YOUR SKIN SKIN PROTECTS YOU FROM PATHOGENS, REGULATES YOUR BODY TEMPERATURE, AND HELPS YOU FEEL SENSATIONS.SKIN PROTECTS YOU FROM PATHOGENS, REGULATES YOUR BODY TEMPERATURE, AND HELPS YOU FEEL SENSATIONS. SKIN-IS THE LARGEST ORGAN ON THE BODY.SKIN-IS THE LARGEST ORGAN ON THE BODY. SKIN CONSISTS OF 2 MAIN LAYERSSKIN CONSISTS OF 2 MAIN LAYERS EPIDERMIS-IS THE OUTER,THINNER LAYER OF THE SKIN.EPIDERMIS-IS THE OUTER,THINNER LAYER OF THE SKIN.

6 DERMIS-IS THE THICKER LAYER OF SKIN BENEATH THE EPIDERMIS THAT IS MADE UP OF CONNECTIVE TISSUE AND CONTAINS BLOOD VESSELS AND NERVES.DERMIS-IS THE THICKER LAYER OF SKIN BENEATH THE EPIDERMIS THAT IS MADE UP OF CONNECTIVE TISSUE AND CONTAINS BLOOD VESSELS AND NERVES. LIPIDS-CELLS IN THE EPIDERMIS THAT MAKES IT WATERPROOF.LIPIDS-CELLS IN THE EPIDERMIS THAT MAKES IT WATERPROOF. MELANIN-A PIGMENT THAT GIVES THE SKIN,HAIR,AND IRIS OF THEIR EYES THEIR COLOR.MELANIN-A PIGMENT THAT GIVES THE SKIN,HAIR,AND IRIS OF THEIR EYES THEIR COLOR.

7 THE MORE MELANIN YOU HAVE IN YOUR SKIN THE DARKER THE SKIN.THE MORE MELANIN YOU HAVE IN YOUR SKIN THE DARKER THE SKIN. THE SKIN PERFORMS 3 MAIN FUNCTIONS: 1.PROTECTION-PROTECTS YOU FROM PATHOGENS AND INTERNAL DAMAGE. SKIN REPAIRS ITSELF TO KEEP PATHOGENS FROM ENTERING THE BODY.

8 2.TEMPERATURE CONTROL-AS BODY TEMPERATURE BEGINS TO RISE, THE BLOOD VESSELS IN YOUR SKIN DILATE, ALLOWING HEAT TO ESCAPE THROUGH THE SKIN’S SURFACE. SWEAT GLANDS –COOL THE SKIN.

9 3.SENSATION-SKIN IS A MAJOR SENSE ORGAN.3.SENSATION-SKIN IS A MAJOR SENSE ORGAN. STUDY THE SKIN DIAGRAM PAGE 357.STUDY THE SKIN DIAGRAM PAGE 357. SEBACEOUS GLANDS-STRUCTURES WITHIN THE SKIN THAT PRODUCE AN OILY SECRETION CALLED SEBUM.SEBACEOUS GLANDS-STRUCTURES WITHIN THE SKIN THAT PRODUCE AN OILY SECRETION CALLED SEBUM.

10 KEEP YOUR SKIN HEALTHY 1.WASH WITH MILD SOAP AND WATER1.WASH WITH MILD SOAP AND WATER 2.AVOID TOUCHING YOUR FACE WITH HANDS, BECAUSE YOU HANDS HAVE BACTERIA.2.AVOID TOUCHING YOUR FACE WITH HANDS, BECAUSE YOU HANDS HAVE BACTERIA. CHOOSE PERSONAL SKIN CARE PRODUCTSCHOOSE PERSONAL SKIN CARE PRODUCTS WELL BALANCED EATING PLANWELL BALANCED EATING PLAN

11 UV PROTECTION-SUNTAN IS DAMAGED SKIN FROM UV RADIATIONUV PROTECTION-SUNTAN IS DAMAGED SKIN FROM UV RADIATION CAN LEAD TO SKIN CANCERCAN LEAD TO SKIN CANCER WEAR SUNSCREENWEAR SUNSCREEN WEAR PROTECTIVE CLOTHINGWEAR PROTECTIVE CLOTHING WEAR SUNGLASSESWEAR SUNGLASSES AVOID TANNING BEDSAVOID TANNING BEDS

12 BODY PIERCING AND TATTOOINGBODY PIERCING AND TATTOOING PERAMENTPERAMENT POTENTIAL HEALTH RISKS-BREAKS THE PHYSICAL BARRIER OF THE SKINPOTENTIAL HEALTH RISKS-BREAKS THE PHYSICAL BARRIER OF THE SKIN INFECTIONS LIMIT JOB OPPORTUNITIES RELATIONSHIPSINFECTIONS LIMIT JOB OPPORTUNITIES RELATIONSHIPS HEPATITISHEPATITIS HIVHIV

13 SKIN PROBLEMSSKIN PROBLEMS AFFECT SELF IMAGEAFFECT SELF IMAGE COMMON SKIN PROBLEMSCOMMON SKIN PROBLEMS 1.ACNE-WHEN PORES IN THE SKIN ARE CLOGGED,BACTERIA CAUSES INFLAMMATION, AND PUS FORMS. TOUCHING AND PICKING MAY CAUSE SCARRING.

14 2.WARTS-ARE CAUSED BY A VIRUS.2.WARTS-ARE CAUSED BY A VIRUS. 3.DERMATITIS OR ECZEMA- INFLAMED OR SCALY PATCH OF SKIN.3.DERMATITIS OR ECZEMA- INFLAMED OR SCALY PATCH OF SKIN. 4.FUNGAL INFECTIONS-RINGWORM AND ATHLETE’S FOOT ARE INFECTIONS THAT SPREAD BY CONTACT WITH SKIN.4.FUNGAL INFECTIONS-RINGWORM AND ATHLETE’S FOOT ARE INFECTIONS THAT SPREAD BY CONTACT WITH SKIN.

15 5.BOILS- THESE FORM WHEN HAIR FOLLICLES –SACS OR CAVITIES THAT SURROUND THE ROOTS OF HAIRS-BECOME INFECTED.5.BOILS- THESE FORM WHEN HAIR FOLLICLES –SACS OR CAVITIES THAT SURROUND THE ROOTS OF HAIRS-BECOME INFECTED. 6.VITILIGO-CONDITION THAT PATCHES OF SKIN LOSE MELANIN AND HAVE NO PIGMENT.6.VITILIGO-CONDITION THAT PATCHES OF SKIN LOSE MELANIN AND HAVE NO PIGMENT. 7.MOLES-CERTAIN TYPES MAY CAUSE MELANOMA7.MOLES-CERTAIN TYPES MAY CAUSE MELANOMA

16 MOST SERIOUS FORM OF SKIN CANCER.MOST SERIOUS FORM OF SKIN CANCER. LOOK AT THE DIAGRAM ON PAGE 360.LOOK AT THE DIAGRAM ON PAGE 360. SEVERE ACNE SHOULD ALWAYS BE TREATED BY A DERMATOLOGIST.SEVERE ACNE SHOULD ALWAYS BE TREATED BY A DERMATOLOGIST.

17 YOUR HAIR YOUR HAIR PROTECTS YOUR SKIN FROM UV RADIATION AND HELPS MAINTAIN BODY HEAT.YOUR HAIR PROTECTS YOUR SKIN FROM UV RADIATION AND HELPS MAINTAIN BODY HEAT. HAIR GROWS ON EVERY SURFACE OF THE SKIN EXCEPT FOR THE PALMS OF YOUR HAND AND THE SOLES OF YOUR FEET.HAIR GROWS ON EVERY SURFACE OF THE SKIN EXCEPT FOR THE PALMS OF YOUR HAND AND THE SOLES OF YOUR FEET.

18 HAIR IS COMPOSED OF DEAD CELLS,LIVING CELLS IN THE EPIDERMIS MAKE NEW HAIRS AND CAUSE HAIR GROWTH.HAIR IS COMPOSED OF DEAD CELLS,LIVING CELLS IN THE EPIDERMIS MAKE NEW HAIRS AND CAUSE HAIR GROWTH. EYEBROWS AND EYELASHES PROTECTS THE EYES FROM DUST AND OTHER PARTICLES.EYEBROWS AND EYELASHES PROTECTS THE EYES FROM DUST AND OTHER PARTICLES. KEEPS HEAT IN.KEEPS HEAT IN.

19 REGULAR SHAMPOOING WILL KEEP YOUR HAIR HEALTHY.REGULAR SHAMPOOING WILL KEEP YOUR HAIR HEALTHY. HEATING HAIR ITEMS WILL MAKE YOUR HAIR BRITTLE AND DRY.HEATING HAIR ITEMS WILL MAKE YOUR HAIR BRITTLE AND DRY. HAIR PROBLEMSHAIR PROBLEMS DANDRUFF-THE DEAD SKIN CELLS THAT ARE SHED AS STICKY WHITE FLAKES WHEN THE SCALP IS TOO DRY.DANDRUFF-THE DEAD SKIN CELLS THAT ARE SHED AS STICKY WHITE FLAKES WHEN THE SCALP IS TOO DRY.

20 HEAD LICE-ARE TINY PARASITIC INSECTS THAT ARE LIVE IN THE SCALP HAIR OF HUMANS. THEY FEED ON THE BLOOD FROM THE SCALP.HEAD LICE-ARE TINY PARASITIC INSECTS THAT ARE LIVE IN THE SCALP HAIR OF HUMANS. THEY FEED ON THE BLOOD FROM THE SCALP. LICE CAN INFECT ANYONE.LICE CAN INFECT ANYONE. USE MEDICATED SHAMPOO CAN KILL ORGANISMS. MUST CLEAN EVERYTHING!!!USE MEDICATED SHAMPOO CAN KILL ORGANISMS. MUST CLEAN EVERYTHING!!!

21 YOUR NAILS NAILS HELP PROTECT YOUR FINGERS AND TOES.NAILS HELP PROTECT YOUR FINGERS AND TOES. NAILS- ARE MADE OF CLOSELY PACKED DEAD CELLS THAT CONTAIN KERATIN.NAILS- ARE MADE OF CLOSELY PACKED DEAD CELLS THAT CONTAIN KERATIN. KEEP THEM CLEAN AND EVENLY TRIMMED.KEEP THEM CLEAN AND EVENLY TRIMMED. TRIM TOENAILS STRAIGHT ACROSS TO REDUCE A RISK OF INGROWN NAILS.TRIM TOENAILS STRAIGHT ACROSS TO REDUCE A RISK OF INGROWN NAILS.

22 LESSON 2 HEALTHY TEETH AND MOUTH BIG IDEA-YOUR TEETH AND MOUTH NEED CARE TO FUNCTION WELL AND KEEP YOU HEALTHY.BIG IDEA-YOUR TEETH AND MOUTH NEED CARE TO FUNCTION WELL AND KEEP YOU HEALTHY. BELLRINGER-WHAT DOES IT MEAN TO HAVE HEALTHY TEETH?BELLRINGER-WHAT DOES IT MEAN TO HAVE HEALTHY TEETH?

23 YOUR TEETH EVERY TOOTH HAS 3 PARTS.EVERY TOOTH HAS 3 PARTS. HEALTHY TEETH IMPORTANT FOR YOUR APPEARANCE.HEALTHY TEETH IMPORTANT FOR YOUR APPEARANCE. BREAK DOWN FOODBREAK DOWN FOOD SHAPE YOU MOUTHSHAPE YOU MOUTH

24 PARTS OF A TOOTH PERIODONTIUM-IS THE AREA IMMEDIATELY AROUND THE TOOTH.PERIODONTIUM-IS THE AREA IMMEDIATELY AROUND THE TOOTH. IT IS MADE UP OF THE GUM,PERIODONTAL LIGAMENTS,AND THE JAWBONE.IT IS MADE UP OF THE GUM,PERIODONTAL LIGAMENTS,AND THE JAWBONE. SUPPORT THE TOOTH AND HOLD IT IN PLACE.SUPPORT THE TOOTH AND HOLD IT IN PLACE.

25 TOOTH 3 MAIN PARTS3 MAIN PARTS CROWN,NECK,ROOTCROWN,NECK,ROOT CROWN-IS THE VISIBLE PORTION OF THE TOOTH.CROWN-IS THE VISIBLE PORTION OF THE TOOTH. IT IS PROTECTED WITH ENAMEL, A HARD SUBSTANCE MADE OF CALCIUM.IT IS PROTECTED WITH ENAMEL, A HARD SUBSTANCE MADE OF CALCIUM.

26 DENTIN- LAYER BENEATH THE ENAMEL, A LAYER OF CONNECTIVE TISSUE THAT CONTRIBUTES TO THE SHAPE AND HARDNESS OF THE TOOTH.DENTIN- LAYER BENEATH THE ENAMEL, A LAYER OF CONNECTIVE TISSUE THAT CONTRIBUTES TO THE SHAPE AND HARDNESS OF THE TOOTH. PULP-IS THE TISSUE THAT CONTAINS THE BLOOD VESSELS AND NERVES OF A TOOTH.PULP-IS THE TISSUE THAT CONTAINS THE BLOOD VESSELS AND NERVES OF A TOOTH.

27 STUDY THE DIAGRAM ON PAGE 364.STUDY THE DIAGRAM ON PAGE 364. THE NECK OF THE TOOTH IS BETWEEN THE CROWN AND THE ROOT.THE NECK OF THE TOOTH IS BETWEEN THE CROWN AND THE ROOT. KEEPING YOUR TEETH AND MOUTH HEALTHYKEEPING YOUR TEETH AND MOUTH HEALTHY YOU CAN MAKE CHOICES THAT HELP KEEP YOUR TEETH AND MOUTH CLEAN AND HEALTHY.YOU CAN MAKE CHOICES THAT HELP KEEP YOUR TEETH AND MOUTH CLEAN AND HEALTHY.

28 ORAL HYGIENE-BRUSHING AND FLOSSING YOUR TEETH.ORAL HYGIENE-BRUSHING AND FLOSSING YOUR TEETH. ACID BREAKS DOWN THE ENAMEL AND TOOTH DECAY OCCURS WHEN THE ENAMEL IS DESTROYED.ACID BREAKS DOWN THE ENAMEL AND TOOTH DECAY OCCURS WHEN THE ENAMEL IS DESTROYED. PLAQUE-IS A COMBINATION OF BACTERIA AND OTHER PARTICLES SUCH AS SMALL BITS OF FOOD.PLAQUE-IS A COMBINATION OF BACTERIA AND OTHER PARTICLES SUCH AS SMALL BITS OF FOOD.

29 PLAQUE BUILDS UP AND CAUSE A CAVITY AND IF THE DECAY SPREADS DOWN TO THE PULP THE TOOTH WILL HAVE TO BE REMOVED.PLAQUE BUILDS UP AND CAUSE A CAVITY AND IF THE DECAY SPREADS DOWN TO THE PULP THE TOOTH WILL HAVE TO BE REMOVED. VISIT A DENTIST REGULARLY AND KEEP YOUR TEETH AND GUMS HEALTHY.VISIT A DENTIST REGULARLY AND KEEP YOUR TEETH AND GUMS HEALTHY.

30 TOOTH AND MOUTH PROBLEMS NEGLECTING YOUR TEETH CAN RESULT IN PROBLEMS.NEGLECTING YOUR TEETH CAN RESULT IN PROBLEMS. 1.HALITOSIS-BAD BREATH 2.PERIODONTAL DISEASE-AN INFLAMMATION OF THE PERIODONTAL STRCTURES-IS CAUSED BY BACTERIAL INFECTION.

31 TARTAR-A HARD CRUSTLIKE STRUCTURE.-WHEN PLAQUE HARDENS.TARTAR-A HARD CRUSTLIKE STRUCTURE.-WHEN PLAQUE HARDENS. GINGIVITIS-GUMS ARE IRRITATED AND SWOLLEN.GINGIVITIS-GUMS ARE IRRITATED AND SWOLLEN. 3. MALOCCLUSION-A MISALIGNMENT OF THE UPPER AND LOWER TEETH OR BAD BITE.3. MALOCCLUSION-A MISALIGNMENT OF THE UPPER AND LOWER TEETH OR BAD BITE.

32 4. IMPACTED WISDOM TEETH- SOMETIMES CROWD AND PUSH ON THE OTHER TEETH OR BECOME INFECTED.4. IMPACTED WISDOM TEETH- SOMETIMES CROWD AND PUSH ON THE OTHER TEETH OR BECOME INFECTED.

33 LESSON 3 HEALTHY EYES AND EARS BIG IDEA-EYES AND EARS ARE SENSITIVE ORGANS THAT NEED PROTECTIVE CARE.BIG IDEA-EYES AND EARS ARE SENSITIVE ORGANS THAT NEED PROTECTIVE CARE. BELLRINGER-WHAT ARE SOME STRUCTURES OF THE EYE?BELLRINGER-WHAT ARE SOME STRUCTURES OF THE EYE?

34 YOUR EYES THE EYES AND THEIR SUPPORTING STRUCTURES ARE COMPLEX PARTS.THE EYES AND THEIR SUPPORTING STRUCTURES ARE COMPLEX PARTS. MOST OF THE SENSORY INFORMATION THAT TRAVELS TO YOUR BRAIN COMES FROM LIGHT SIGNALS RECEIVED BY YOUR EYES.MOST OF THE SENSORY INFORMATION THAT TRAVELS TO YOUR BRAIN COMES FROM LIGHT SIGNALS RECEIVED BY YOUR EYES. LACRIMAL GLAND-SECRETES TEARS INTO THE EYE THROUGH DUCTS.LACRIMAL GLAND-SECRETES TEARS INTO THE EYE THROUGH DUCTS.

35 TEARS ARE MADE OF WATER, SALTS,MUCUS, AND A SUBSTANCE THAT PROTECTS THE EYE FROM INFECTION.TEARS ARE MADE OF WATER, SALTS,MUCUS, AND A SUBSTANCE THAT PROTECTS THE EYE FROM INFECTION. PARTS OF THE EYEPARTS OF THE EYE THE EYE CONSISTS OF THE OPTIC NERVE AND 3 LAYERS OF THE EYEBALL WALL.THE EYE CONSISTS OF THE OPTIC NERVE AND 3 LAYERS OF THE EYEBALL WALL.

36 THE OUTERMOST LAYER OF THE EYE IS MADE UP OF THE SCLERA AND THE CORNEA.THE OUTERMOST LAYER OF THE EYE IS MADE UP OF THE SCLERA AND THE CORNEA. SCLERA-THE WHITE PART OF THE EYE-IS COMPOSED OF TOUGH,FIBROUS TISSUE THAT PROTECTS THE INNER LAYERS OF THE EYE AND SUPPORTS AND SHAPES THE EYEBALL.SCLERA-THE WHITE PART OF THE EYE-IS COMPOSED OF TOUGH,FIBROUS TISSUE THAT PROTECTS THE INNER LAYERS OF THE EYE AND SUPPORTS AND SHAPES THE EYEBALL.

37 CORNEA-IS A TRANSPARENT TISSUE THAT BENDS AND FOCUSES LIGHT BEFORE IT ENTERS THE LENS.CORNEA-IS A TRANSPARENT TISSUE THAT BENDS AND FOCUSES LIGHT BEFORE IT ENTERS THE LENS. CHOROID-THE MIDDLE LAYER OD THE EYE.CHOROID-THE MIDDLE LAYER OD THE EYE. IRIS- COLORED PORTION OF THE EYE.IRIS- COLORED PORTION OF THE EYE.

38 PUPIL-IS THE HOLE THROUGH WHICH LIGHT REACHES THE INNER EYE.PUPIL-IS THE HOLE THROUGH WHICH LIGHT REACHES THE INNER EYE. THE MUSCLES OF THE IRIS CONTROLS THE SIZE OF THE PUPIL.THE MUSCLES OF THE IRIS CONTROLS THE SIZE OF THE PUPIL. EX. WITH LIGHTS ON AND OFFEX. WITH LIGHTS ON AND OFF RETINA-IS THE INNER LAYER IF THE EYE WALL.RETINA-IS THE INNER LAYER IF THE EYE WALL.

39 CONTAINS MILLIONS OF LIGHT SENSITIVE CELLS.CONTAINS MILLIONS OF LIGHT SENSITIVE CELLS. RODS-ARE VERY SENSITIVE TO LIGHT AND ALLOW US TO SEE DIM LIGHT.RODS-ARE VERY SENSITIVE TO LIGHT AND ALLOW US TO SEE DIM LIGHT. CONES-FUNCTION IN BRIGHT LIGHT AND ALLOW US TO SEE COLOR.CONES-FUNCTION IN BRIGHT LIGHT AND ALLOW US TO SEE COLOR.

40 OPTIC NERVE- IS THE NERVE IMPULSES TRAVELS TO THE BRAIN THROUGH THE OPTIC NERVE WHICH IS LOCATED AT THE BACK OF THE EYE.OPTIC NERVE- IS THE NERVE IMPULSES TRAVELS TO THE BRAIN THROUGH THE OPTIC NERVE WHICH IS LOCATED AT THE BACK OF THE EYE. LENS-IS LOCATED BEHIND THE IRIS AND THE PUPIL.LENS-IS LOCATED BEHIND THE IRIS AND THE PUPIL. AQUEOUS HUMOR-IS THE ARE BETWEEN THE CORNEA AND THE LENS.AQUEOUS HUMOR-IS THE ARE BETWEEN THE CORNEA AND THE LENS.

41 IT IS A WATERY FLUID WHICH PROVIDES NUTRIENTS TO THE EYE.IT IS A WATERY FLUID WHICH PROVIDES NUTRIENTS TO THE EYE. VITREOUS HUMOR-IS LOCATED BETWEEN THE LENS AND RETINA THERE IS A CAVITY FILLED THIS GELATIN LIKE SUBSTANCE.VITREOUS HUMOR-IS LOCATED BETWEEN THE LENS AND RETINA THERE IS A CAVITY FILLED THIS GELATIN LIKE SUBSTANCE. HELPS THE EYEBALL STAY FIRM AND THE EYE ITS SHAPE.HELPS THE EYEBALL STAY FIRM AND THE EYE ITS SHAPE.

42 VISION WHEN LIGHT PASSES THROUGH THE CORNEA,PUPIL,AND LENS TO REACH THE RETINA, AN IMAGE IS FORMED.WHEN LIGHT PASSES THROUGH THE CORNEA,PUPIL,AND LENS TO REACH THE RETINA, AN IMAGE IS FORMED. THE BRAIN TRANSLATES THE NERVE IMPULSES INTO IMAGES THAT YOU RECOGNIZE.THE BRAIN TRANSLATES THE NERVE IMPULSES INTO IMAGES THAT YOU RECOGNIZE.

43 NORMAL VISION IS 20/20NORMAL VISION IS 20/20 20 FEET FROM AN EYE CHART AND READ THE TOP 8 LINES.20 FEET FROM AN EYE CHART AND READ THE TOP 8 LINES. 2 COMMON VISION DISORDERS2 COMMON VISION DISORDERS NEARSIGHTEDNESS-CAN NOT SEE FAR AWAYNEARSIGHTEDNESS-CAN NOT SEE FAR AWAY FARSIGHTEDNESS-CAN NOT SEE CLOSE UP.FARSIGHTEDNESS-CAN NOT SEE CLOSE UP.

44 20/60 VISION IS NEARSIGHTED20/60 VISION IS NEARSIGHTED STUDY THE CHART ON PAGE 370STUDY THE CHART ON PAGE 370 EYE PROBLEMSEYE PROBLEMS KEEPING YOUR EYES HEALTHYKEEPING YOUR EYES HEALTHY MAKING HEALTHY CHOICES WILL KEEP YOUR EYES HEALTHY.MAKING HEALTHY CHOICES WILL KEEP YOUR EYES HEALTHY.

45 1.FOLLOW A WELL-BALANCED EATING PLAN 2.PROTECT YOUR EYES 3.REST YOUR EYES REGULARLY 4.GET REGULAR EYE EXAMS

46 YOUR EARS THE INNER, MIDDLE, AND OUTER EAR WORK TOGETHER SO YOU CAN HEAR.THE INNER, MIDDLE, AND OUTER EAR WORK TOGETHER SO YOU CAN HEAR. BELLRINGERBELLRINGER WHAT IS HEARING?WHAT IS HEARING?

47 THE EAR CAN BE DIVIDED INTO 3 MAIN SECTIONS.THE EAR CAN BE DIVIDED INTO 3 MAIN SECTIONS. THE OUTER EAR-IS THE VISIBLE PART OF THE EAR., CALLED THE AURICLE.THE OUTER EAR-IS THE VISIBLE PART OF THE EAR., CALLED THE AURICLE. AURICLE CHALLENGES SOUND WAVES INTO THE EXTERNAL AUDITORY CANAL, APASSAGE WAY ABOUT 1 INCH LONG.AURICLE CHALLENGES SOUND WAVES INTO THE EXTERNAL AUDITORY CANAL, APASSAGE WAY ABOUT 1 INCH LONG.

48 THE CANAL LEADS TO THE REMAINING PORTION OF THE OUTER EAR CALLED THE EARDRUM.THE CANAL LEADS TO THE REMAINING PORTION OF THE OUTER EAR CALLED THE EARDRUM. EARDRUM-IS A THIN MEMBRANE THAT ACTS AS A BARRIER BETWEEN THE OUTER AND MIDDLE EAR.EARDRUM-IS A THIN MEMBRANE THAT ACTS AS A BARRIER BETWEEN THE OUTER AND MIDDLE EAR.

49 THE MIDDLE EAR-DIRECTLY BEHIND THE EARDRUM THERE ARE 3 SMALL BONES LINKED TOGETHER THAT CONNECT THE EARDRUM TO THE INNER EAR. HAMMER, AVIL, STIRRUP(AUDITORY OSSICLES)THE MIDDLE EAR-DIRECTLY BEHIND THE EARDRUM THERE ARE 3 SMALL BONES LINKED TOGETHER THAT CONNECT THE EARDRUM TO THE INNER EAR. HAMMER, AVIL, STIRRUP(AUDITORY OSSICLES) STIRRUP- SMALLEST BONE IN THE BODY.STIRRUP- SMALLEST BONE IN THE BODY.

50 MIDDLE EAR CONNECTED TO THE THROAT-SWALLOW \YAWN EQUALIZES PRESSURE ON EACH SIDE OF THE EARDRUM.MIDDLE EAR CONNECTED TO THE THROAT-SWALLOW \YAWN EQUALIZES PRESSURE ON EACH SIDE OF THE EARDRUM. THE INNER EAR-CONSISTS OF NETWORK OF CURVED AND SPIRAL PASSAGES THAT CAN BE DIVIDED INTO 3 MAIN PARTS.THE INNER EAR-CONSISTS OF NETWORK OF CURVED AND SPIRAL PASSAGES THAT CAN BE DIVIDED INTO 3 MAIN PARTS.

51 COCHLEA-A SPIRAL SHAPED CANAL, IS THE AREA OF HEARING IN THE INNER EAR.COCHLEA-A SPIRAL SHAPED CANAL, IS THE AREA OF HEARING IN THE INNER EAR. VESTIBULE AND THE SEMICIRCULAR CANALS ARE WHERE BALANCE IS CONTROLLED.VESTIBULE AND THE SEMICIRCULAR CANALS ARE WHERE BALANCE IS CONTROLLED.

52 HEARING AND BALANCE RECEPTORS-IN YOUR INNER EAR STIMULATED BY A SOUND WAY.RECEPTORS-IN YOUR INNER EAR STIMULATED BY A SOUND WAY. IMPULSE IS SENT TO THE BRAIN- AUDITORY NERVE.IMPULSE IS SENT TO THE BRAIN- AUDITORY NERVE. THE BRAIN MAKES ADJUSTMENTS TO MAINTAIN BALANCE.THE BRAIN MAKES ADJUSTMENTS TO MAINTAIN BALANCE.

53 KEEPING YOUR EARS HEALTHY CARING OF YOUR EARS HELPS PREVENT IRRITATION,INJURY,INFECTION, AND DAMAGE TO THE EARS, AS WELL AS HEARING LOSS.CARING OF YOUR EARS HELPS PREVENT IRRITATION,INJURY,INFECTION, AND DAMAGE TO THE EARS, AS WELL AS HEARING LOSS. IF YOU HAVE AN EAR INFECTION SEE A DOCTOR.IF YOU HAVE AN EAR INFECTION SEE A DOCTOR.

54 MIDDLE EAR INFECTIONS CAN DAMAGE THE STRUCTURE OF THE EAR.MIDDLE EAR INFECTIONS CAN DAMAGE THE STRUCTURE OF THE EAR. PROTECT EARS IN COLD WEATHERPROTECT EARS IN COLD WEATHER KEEP FOREIGN OBJECTS,INCLUDING COTTON- TIPPED SWABS, OUT OF THE EAR CANAL.KEEP FOREIGN OBJECTS,INCLUDING COTTON- TIPPED SWABS, OUT OF THE EAR CANAL.

55 PREVENTING HEARING LOSS EXPOSURE TO LOUD NOISES CAN LEAD TO TEMPORARY AND SOMETIMES PERMANENT HEARING LOSS,OR DEAFNESS, OVER TIME.EXPOSURE TO LOUD NOISES CAN LEAD TO TEMPORARY AND SOMETIMES PERMANENT HEARING LOSS,OR DEAFNESS, OVER TIME. CONDUCTIVE HEARING LOSS- SOUND WAVES ARE NOT PASSED FROM THE OUTER EAR TO THE INNER EAR. EX. MIDDLE-EAR INFECTIONS.CONDUCTIVE HEARING LOSS- SOUND WAVES ARE NOT PASSED FROM THE OUTER EAR TO THE INNER EAR. EX. MIDDLE-EAR INFECTIONS.

56 SENSORINEURAL HEARING LOSS- BIRTH DEFECT,EXPOSURE TO NOISE,GROWING OLDER,AND MEDICATION PROBLEMS.SENSORINEURAL HEARING LOSS- BIRTH DEFECT,EXPOSURE TO NOISE,GROWING OLDER,AND MEDICATION PROBLEMS. TINNITUS-A CONDITION IN WHICH A RINGING,BUZZING,WHISTLING,RO ARING,HISSING, OR OTHER SOUND IS HEARD IN THE EAR.TINNITUS-A CONDITION IN WHICH A RINGING,BUZZING,WHISTLING,RO ARING,HISSING, OR OTHER SOUND IS HEARD IN THE EAR.


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