| |
| |
| Introduction | |
| |
| |
| Your Body 101 | |
| |
| |
| Why do you have bumps on your tongue? | |
| |
| |
| Why do you have earwax? | |
| |
| |
| What is that dewdrop thing in the back of your mouth? | |
| |
| |
| Why can't human beings breathe underwater? | |
| |
| |
| Why is your eye color blue, brown, or green? | |
| |
| |
| Why do you have eyebrows? | |
| |
| |
| Why do you hiccup? | |
| |
| |
| Why are the ends of your nails white and the other part pink? | |
| |
| |
| Why do you have wisdom teeth? | |
| |
| |
| Why can't your skin be purple, green, or blue? | |
| |
| |
| Why do you have an appendix? | |
| |
| |
| Why do you have baby teeth when you're a child? | |
| |
| |
| Why are your lips red? | |
| |
| |
| What happens when your legs or arms "fall asleep"? | |
| |
| |
| What is the difference between identical and fraternal twins? | |
| |
| |
| Why does your stomach growl? | |
| |
| |
| Why do people snore? | |
| |
| |
| Why are you left-handed or right-handed? | |
| |
| |
| Why do we get cavities? | |
| |
| |
| Why are we ticklish? | |
| |
| |
| Why do some people have straight hair and some people have curly hair? | |
| |
| |
| Why do we blush? | |
| |
| |
| Why do we yawn? | |
| |
| |
| What is your Adam's apple? | |
| |
| |
| Why do we get scabs? | |
| |
| |
| Why do some people have crooked teeth and others have naturally straight teeth? | |
| |
| |
| Why do you get goose bumps when you are cold? | |
| |
| |
| What is the black circle in your eye? | |
| |
| |
| Why is blood red? | |
| |
| |
| What is your ear made of? | |
| |
| |
| Why does your blood look blue when it is in your body? | |
| |
| |
| Why do I laugh when I think something is funny? | |
| |
| |
| Why do human beings cry? | |
| |
| |
| What are moles? | |
| |
| |
| Why do we form scars? | |
| |
| |
| What do your tonsils do? | |
| |
| |
| How does food give you energy? | |
| |
| |
| Why do you have a belly button? | |
| |
| |
| Why does your mouth make spit? | |
| |
| |
| What's a concussion? | |
| |
| |
| Why does your heart make a "lub-dub" sound when it beats? | |
| |
| |
| What is a charley horse? | |
| |
| |
| What is a cell? | |
| |
| |
| Why is a bruise black and blue? | |
| |
| |
| Why do some people have freckles? | |
| |
| |
| Why do some people have dimples? | |
| |
| |
| What are genes? | |
| |
| |
| What happens when you break a bone? | |
| |
| |
| The Weird, the Ugly, and the Downright Gross | |
| |
| |
| Why don't your eyelashes grow? | |
| |
| |
| Why doesn't it hurt when you get a haircut? | |
| |
| |
| Why do some people have "innie" belly buttons and some people have "outies"? | |
| |
| |
| Why do you see fireworks when you close your eyes and press on them? | |
| |
| |
| Why do we get wrinkles as we get older? | |
| |
| |
| Why do we burp? | |
| |
| |
| Why is your poop brown? | |
| |
| |
| Why do we get gray hair? | |
| |
| |
| Why do we sometimes feel nauseated while in a car or on a bus? | |
| |
| |
| What are lice? | |
| |
| |
| Why do we have nightmares? | |
| |
| |
| Why do toenails grow slower than fingernails? | |
| |
| |
| Why do people get pimples? | |
| |
| |
| Why do we have boogers? | |
| |
| |
| Why do people have hair in their nose? | |
| |
| |
| Why do farts smell? | |
| |
| |
| Why do you get bad breath? | |
| |
| |
| What are warts? | |
| |
| |
| Can someone really have six toes on one foot? | |
| |
| |
| Why don't human beings have tails? | |
| |
| |
| Why do your teeth turn yellow? | |
| |
| |
| Why do some people have bad body odor? | |
| |
| |
| Why do your fingers and toes look like prunes when you come out of the pool? | |
| |
| |
| Why are some people able to wiggle their ears? | |
| |
| |
| Why is pee yellow? | |
| |
| |
| What are bedbugs? | |
| |
| |
| Why do some women have mustaches? | |
| |
| |
| Why do some men have boobs? | |
| |
| |
| Why do some people have fat that shakes like Jell-O? | |
| |
| |
| Why do people vomit? | |
| |
| |
| What does it mean to be double-jointed? | |
| |
| |
| Why do people bite their nails? | |
| |
| |
| Why do tears taste salty? | |
| |
| |
| What are growing pains? | |
| |
| |
| Why do babies have a "soft spot" on their head? | |
| |
| |
| Why can't one eye move up while the other eye moves down? | |
| |
| |
| Why do your eyes close when you sneeze? | |
| |
| |
| Why do men pee standing up and women pee sitting down? | |
| |
| |
| Why can't men become pregnant? | |
| |
| |
| Why do some men go bald? | |
| |
| |
| What does it mean to be tongue-tied? | |
| |
| |
| Why do people get dandruff? | |
| |
| |
| Body Afflictions and Everyday Strange Things That Can Happen | |
| |
| |
| Why are some people color-blind? | |
| |
| |
| What makes some people stutter? | |
| |
| |
| Why do some people need to wear eyeglasses? | |
| |
| |
| Why do some people have food allergies? | |
| |
| |
| Why, when I'm asleep at night, do I sometimes startle myself awake? | |
| |
| |
| Why do your ears pop when you're on a plane? | |
| |
| |
| Why do you get sunburned? | |
| |
| |
| Why do you sometimes get a stitch in your side when you run or walk fast? | |
| |
| |
| Why do people sleepwalk? | |
| |
| |
| Why does blond hair turn green in a pool? | |
| |
| |
| Why does your heart beat faster when you exercise? | |
| |
| |
| What is athlete's foot? | |
| |
| |
| Why do your lips turn blue when you swim in cold water? | |
| |
| |
| Why do mosquito bites itch? | |
| |
| |
| Why do some people grind their teeth at night? | |
| |
| |
| Why does your face pucker when you suck on a lemon? | |
| |
| |
| Can your contact lens get lost in your eye and float into your brain? | |
| |
| |
| Why do some people get fat? | |
| |
| |
| Why do mosquitoes bite some people and not others? | |
| |
| |
| What is a hangnail? | |
| |
| |
| Why can't I get rid of this song that is stuck in my head? | |
| |
| |
| Why does poison ivy make us itch? | |
| |
| |
| Urban Myth and What If? | |
| |
| |
| Is it really bad to crack your knuckles? | |
| |
| |
| What happens if you swallow a penny? | |
| |
| |
| What happens if you eat dog food? | |
| |
| |
| Can you tell your fortune by reading your palm? | |
| |
| |
| Why do you get a headache if you eat ice cream too quickly? | |
| |
| |
| Can you really get rabies from a dog bite? What is rabies, anyway? | |
| |
| |
| What happens if you swallow gum? | |
| |
| |
| If you put a pea up your nose, will it go into your brain? | |
| |
| |
| Can you catch a cold if you don't wear a coat in winter? | |
| |
| |
| Can your MP3 player really cause you to go deaf? | |
| |
| |
| What would happen if I never brushed my hair? | |
| |
| |
| If you drop food on the floor, is it still safe to eat if it doesn't touch the floor for more than five seconds? | |
| |
| |
| Is it true that a dog's mouth is cleaner than a human's? | |
| |
| |
| If you eat Pop Rocks candy and drink soda at the same time, will your stomach explode? | |
| |
| |
| If you eat carrots, will you see better? | |
| |
| |
| Is eating raw cookie dough really bad for you? | |
| |
| |
| Is it true that if you swallow a watermelon seed, you will grow a watermelon in your stomach? | |
| |
| |
| Do twins have the same fingerprints? | |
| |
| |
| Can you get lead poisoning from a pencil? | |
| |
| |
| Can you be allergic to jewelry? | |
| |
| |
| Are green bananas bad for you? | |
| |
| |
| Do you really need to drink eight 8-ounce glasses (8 x 8) of water a day to be healthy? | |
| |
| |
| Can you get frostbite in just a few minutes if it's really cold outside? | |
| |
| |
| Will you go blind if you sit too close to the TV? | |
| |
| |
| Why is breakfast the most important meal? | |
| |
| |
| Does a tongue piercing hurt? | |
| |
| |
| If you cross your eyes will they get stuck? | |
| |
| |
| Is caffeine bad for you? | |
| |
| |
| Can eating chicken soup really cure a cold? | |
| |
| |
| Does an apple a day really keep the doctor away? | |
| |
| |
| Do you really need to wait an hour after eating before going swimming? | |
| |
| |
| Bonus Body Trivia | |
| |
| |
| How does an X-ray work? | |
| |
| |
| What does an IQ test measure? | |
| |
| |
| How much does your brain weigh? | |
| |
| |
| How many bones are in your body? | |
| |
| |
| What is the smallest bone in your body? | |
| |
| |
| What is the smallest muscle in your body? | |
| |
| |
| What is the longest muscle in your body? | |
| |
| |
| How many times a day do you blink? | |
| |
| |
| How many times a day does your heart beat? | |