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