Cornell Notes. Personal Health Care Chapter 13 Your Skins Structure.
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Transcript of Cornell Notes. Personal Health Care Chapter 13 Your Skins Structure.
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Cornell Notes
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Personal Health Care Chapter 13
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Your Skins Structure
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Your Skin
Epidermis: Outer, thinner layer of the skin that is composed of living and dead skin cells.
Dermis: Is the thicker layer of the skin beneath the epidermis that is made up of connective tissue and contains blood vessels and nerves.
Melanin: A pigment that gives the skin, hair, and iris of the eyes their color.
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Your Skin
The three main functions to keep you healthy:1. Protection- The skin acts as a barrier2. Temperature Control- Sweating cools body
glands located in the Dermis)3. Sensation- Sense of touch (receptors), allows
you to feel pain, heat, pressure, and cold.
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Keeping Your Skin Healthy
Washing with mild soap and water.Well balanced dietHydrationU.V. Protection
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Some Skin Problems
Acne- clogged pores, bacteria causes inflammation and pus forms
Warts- caused by a virus… can spreadDermatitis (eczema)- when patches of skin
become rough and inflamed.Fungal Infections- i.e.: ringworm and athletes
foot, spread by contact.Moles- Moles are growths on the skin that are
usually brown or black. Moles can appear anywhere on the skin, alone or in groups.◦Melanoma- form of skin cancer
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Healthy Teeth and Mouth
13.2
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Parts of a tooth
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Keeping Your Teeth and Mouth Healthy
Oral hygiene includes brushing and flossing your teeth.
Plaque- a combination of bacteria and other particles, which adheres to the outside of a tooth.
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Maintain Your Dental Health
Eat a well balanced diet; limit sugary drinks and snacks
Brush after every meal, floss dailyGet regular dental check-upsAvoid all tobacco products
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Tooth and Mouth Problems
Bad breath- caused by foods, smoking, bacteria on tongue, and gum disease.
Gum disease (periodontal disease)- an inflammation of the periodontal structures caused by bacterial infection
Malocclusion- a misalignment of the upper and lower teeth.
Impacted wisdom teeth
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Healthy Eyes and Ears13.3
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Parts of Your Eye
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Parts of Your Eye
Sclera- the white part of the eyes, protects the inner layers of the eye
Cornea- a transparent tissue that bends and focuses light before it enters the lens
Retina- the inner layer of the eye wall, contains millions of light sensitive cells.
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Vision
When light passes through the cornea, pupil, and lens to reach the retina, an image forms.
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Eye Problems
Cataracts- Cataracts are cloudy areas that develop within the eye lens.
Glaucoma- a condition that causes damage to your eye's optic nerve and gets worse over time.
Macular degeneration- vision loss due to aging
Nearsightedness- the inability to see distant objects clearly
Farsightedness- the inability to see close objects clearly
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Keeping Your Eyes Healthy
Well balanced dietProtect your eyes- sunglasses that block
UV lightRest your eyesGet regular eye exams
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Your Ear
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Parts of Your Ear
Outer ear- the visible partMiddle ear- behind the eardrum are the
auditory ossicles: the three bones linked together.
Inner ear- consist of a network of curved and spiral passages.
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Keeping Your Ears Healthy
Regular ear examsKeep foreign objects out of ear canalReduce exposure to loud noise
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