Body features

Body features

Why do I have to brush my teeth?
Why do people have earlobes?
Why do we have eyelashes?
Why do we have nails?
What does it mean when people say they are “double-jointed”?
Why can humans talk?
How many bones are in the human body?
Is it bad to crack your knuckles?
How big is the brain?
What is a fingerprint?
Why is blood red?
Does the tongue have any bones in it?
Why does my tongue have little bumps on it?
Why do some people have freckles?
What is a funny bone?
How many different things can you taste?
Why doesn't my tongue fall out of my mouth?
What are teeth made from?
What is skin?
What is an organ?
Why is hair different colors?
Why are some people right-handed while others are left-handed?
What is muscle?
What is a hormone?
Why do we have hair?
Why do we have eyelids?
How long are your intestines?
Why do we have thumbs?
Why are people different heights?
Why do people have grey hair?
Why do boys have testicles?
What is a vagina?
Why do hands have so many bones?
What are cells?
Why do men have nipples?
What are genes?
What is an Adam’s Apple?
How do the joints in our body work?
How do muscles attach to bones?
Why do our hands have lines in them?
Why do we have an esophagus?
Why do we have two eyes but only see one of everything?
What is the brain made out of?
Why do we have eyebrows?
What does our pancreas do?
Why do we have a skull?
What does the heart do?
Why do we have veins?
Why does the nose have two holes?
What is fluoride?
Why don't humans have tails?
Why are tongues pink?
Why do we have a brain?
Why are veins blue?