Toggle Navigation
Games
Blog
Class PIN
Join for Free
Sign in
Toggle Navigation
Games
PIN
Join for Free
Blog
Pricing
Contact us
Help center
Sign in
Study
Your body
0
%
0
0
0
Back
Restart
some bacteria (small living things) in your body help you live
true
Oops!
Okay!
Your brain stops working when you're asleep
false
Oops!
Okay!
you have a tongue in your mouth
true
Oops!
Okay!
140 million cells in your eyes help to tell you what you can see
true
Oops!
Okay!
your brain makes electricity
true
Oops!
Okay!
The human body beats about 200 times a minute
falso
Oops!
Okay!
You have two lungs. They help you breath
true
Oops!
Okay!
Your natural smell changes as you age
true
Oops!
Okay!
Your brain sends billions of signals every minute
true
Oops!
Okay!
Your body loses about 40,000 tiny pieces of skin an hour
true
Oops!
Okay!
women's heart beat faster than men's heart
true
Oops!
Okay!
brain cells do not live in the stomach
false
Oops!
Okay!
Your experience on this site will be improved by allowing cookies.
Allow cookies