Body Works

Body Works

Why do you blink?
Why do people sometimes cry when they are happy?
Why does cutting onions make people cry?
Why do we dream?
Why doesn't it hurt when I get my hair cut?
Why do I get hungry?
Why do bug bites itch?
What is saliva?
Can your hair keep growing forever and ever?
What does it mean when people say they are double-jointed?
Why do people smile when they're happy?
Why do people snore?
Why does my stomach make noises when I'm hungry?
Why do some twins look alike?
Why are tears salty?
Why does something hurt?
Why do flowers make people sneeze?
Why do people laugh?
Why can humans talk?
Why do people kiss?
How does my body heat up and cool down?
Why do we sweat?
How does a cut know to stop bleeding?
Why do my eyes have sand in them when I wake up?
Why do we blush?
Why does it sometimes hurt when you clean a cut?
What is a bruise?
Why does cold ice cream sometimes give me a headache?
Why do people get nightmares?
Why do people sleepwalk?
Why do we yawn?
Why do I get all wrinkly in the bath?
What is a sneeze?
Why do people talk in their sleep?
Why are yawns contagious?
Why do we stretch after waking up?
Why are some people right-handed while others are left-handed?
What is ambidextrous?
Why does my nose run when it’s cold outside?
Why do we get sleepy after eating a big meal?
Why can't we fly?
How does our body digest food?
Why am I cold when I'm wet?
Why do humans walk on two legs?
Why do people get goosebumps?
What is a reflex?
Why do we have to eat?
What are genes?
What is a hiccup?
What is hypnosis?
Why do people cry?
Why do we get scars?
Why does your face get red when you cry?
Why does your tongue stick to ice?
Why do people get tired?
What is memory?
How does the body heal?
Why are we thirsty?
What is a scab?
What does blood do?
Why do my feet fall asleep?
What is a sprain?
Why does my nose get stuffy?