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
The Respiratory System
0
%
0
0
0
Back
Restart
What do you call the tiny hairs in your nose that help filter out dust and germs?
Cilia
Oops!
Okay!
If you took all the air sacs (alveoli) from your lungs and lined them up, would they reach around the world or just your classroom?
Around the world (if stretched out!)
Oops!
Okay!
What's the name of the "windpipe" that connects your throat to your lungs?
Trachea
Oops!
Okay!
What's the name of the dome-shaped muscle that helps you breathe and separates your chest from your belly?
Diaphragm
Oops!
Okay!
If your lungs could talk, what sound might they make when you exhale slowly?
A gentle sigh or whooshing sound.
Oops!
Okay!
Which is faster: the speed of your sneeze or the speed of a racing car?
The speed of your sneeze (it can reach up to 100 miles per hour!)
Oops!
Okay!
If your lungs were balloons, would they prefer to float in water or fly in the sky?
Fly in the sky
Oops!
Okay!
Which superhero power is related to the respiratory system: X-ray vision or super lung capacity?
Super lung capacity
Oops!
Okay!
What's the name of the process by which plants and humans exchange gases with the environment?
Respiration
Oops!
Okay!
If your lungs had a favorite snack, would it be oxygen-rich air or ice cream?
Oxygen-rich air
Oops!
Okay!
Your experience on this site will be improved by allowing cookies.
Allow cookies