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74 Cards in this Set
- Front
- Back
a body part made of different types of tissues- groups of cells that work together to perform certain functions
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organ
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the largest organ in your body
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skin
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thin, outer layer of skin where dead cells are constantly being shed
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epidermis
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thick, inner layer of the skin (nerve-endings, sweat and oil glands)
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dermis
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layer of tissue that binds the skin to your body (fat)
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subcutaneous layer
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hair in ears and nose that serve as proection
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cilia
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Sweating is good for you. True or false
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True. Good for you to release heat.
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4 main function of the skin
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1. protection
2. sensation 3. temperature regulation 4. waste removal |
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BMT
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Basil Metabolism temperature
97-99 degrees F |
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oily substance produced by the oil glands in the dermis and reaches the surface of hte epidermis through tiny openings
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sebum
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tiny openings in the skin
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pores
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brown pigment in the epidermis that gives your skin and hair its color
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melanin
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True or False?
Melanin does not protect against UV rays. |
False.
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nerve ending that receives information about the environment and sends it to the brain
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receptor
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condition characterized by red, swollen, itchy patches on the skin (cured with medicated shampoo)
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Dermatitis
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condition characterized by patches of pink to purple-colored skin covered with grayish-white scales (no cure)
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Psoriasis
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What can you use to cure athlete's foot?
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baby powder and corn starch
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an abnormal, uncontrolled growth of cells that invade and destroy healthy tissue
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cancer
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a lotion that blocks out some of the sun's UVB rays and reduces skin damage
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sunscreen
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SPF
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Sun Protection factor
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ingredient in sunscreen, number shows how much protection teh sunscreen provides against UVB rays
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SPF
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How often should you reapply sunscreen when you are outdoors?
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every 2 hours
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thick cream taht completely blocks both types of UV rays (not SPF rated)
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sunblock
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3 nonliving parts of your body
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hair, nails, teeth
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sharp front teeth that bite and cut food
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incisors
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How many inscisors do you have?
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8
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pointed teeth that tear food into smaller pieces
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canines (eyeteeth)
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flat teeth with double points that tear and crush food
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premolars
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large, flat teeth with several rounded points that grind food into bits
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molars
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How many premolars do you have?
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8
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How many canines do you have?
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4
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How many molars do you have?
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12
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part of tooth that you can see above the gumline
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crown
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the part of the tooth below the gum line that fits into the jawbone
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root
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2 main parts of teeth
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root, crown
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hard, nonliving, dense, white material containing calcium, hardest material in our body, helps protect the tooth from decay organisms
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enamel
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softer material in the enamel, forms the body of the tooth and extends down into the root
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dentin
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inside the dentin, soft inner tissue that contains blood vessels and nerves
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pulp
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How many permanent teeth do adults have?
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32
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How many teeth should a toddler (child between 2 and 3) have?
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20
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material made of saliva, foodparticles, and bacteria
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plaque
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a hole in the enamel
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cavity
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hardened plaque that can cause gum disease
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calculus
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How often should you get a new toothbrush?
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every 3 months and after colds
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white patches in mouth, may lead to cancer
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Leukoplakia
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bad breath
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simple chronic halatosis
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TMJ
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temperomadibular joint
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tasteless, odorless chemical that helps prevent tooth decay
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flouride
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How should you take care of your teeth daily?
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brush twice a day and flosh once a day and see the dentist at least twice a year
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the clear covering at the front of the eye
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cornea
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the round opening in the center of your eye (black)
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pupil
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controls the size of your pupil (whatever color your eye is)
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iris
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bends the light rays so they come together at a point inside your eye
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lens
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light-sensitive tissue that lines the inner eye
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retina
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very sensetive to light but can only distinguish black from white
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rods
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can distinguish colors but are less sensitive to light
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cones
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electrical signals that are transmitted along nerves
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nerve impulses
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sees closer objects clearly but objects at a distance look blurred
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nearsightedness
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sees distant objects clearly but objects that are closer look blurred
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farsightedness
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a condition that causes blurred vision at all distances
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astigmatism
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a hereditary disorder in which the person cannot distinguish between certain colors (cannot be corrected)
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colorblindness
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a serious eye disorder that is caused by increased pressure of the fluids inside the eye (corrected by surgery)
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Glaucoma
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condition in which the lens becomes cloudy and blocks light entering the eye (corrected by surgery)
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cataract
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2 most common eye diseases
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stye (bubble on inside or under the eye) and pinkeye (highly contagious, wash hands frequently and do not share anythign with other people, treatable)
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2 types of corrective lenses
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glasses and contacts
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**BONUS QUESTION
How much did advertisers pay per commercial during the SuperBowl? |
$2.3 million per commercial
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protects dirt and other objects from getting into the inner ear
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ear hair
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connects the middle ear with the back of the throat and nose (keeps the air pressure equal)
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eustachian tube
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between teh middle and inner ear, covered by a thin membrane
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oval window
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3 bones of the ear
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hammer, anvil, stirrup
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spiral tube containing receptors that sense vibration
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cochlea
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curved tubes in your inner ear that help provide your sense of balance
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semicircular canals
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specialist who diagnoses and treats hearing problems
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audiologist
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when sound becomes damaging
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about 85 or 90 decibels
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