Explore Wonders | Tag: involuntary | Wonderopolis

Explore Wonders | Tag: involuntary | Wonderopolis

Wonderopolis

What Is a Hypnic Jerk?

If you’re sleepy, today’s Wonder of the Day will definitely help you wake up!

#2045

What Is a Hypnic Jerk?
How Do We Move?

Join us in Wonderopolis today for one of the most moving Wonders of the Day ever!

#1726

How Do We Move?
How Do Reflexes Work?

Today’s Wonder of the Day just happened without us even thinking about it!

#1350

How Do Reflexes Work?
Why Do You Blush?

My, what pink cheeks you have! Find out what has Wonderopolis blushing in today’s Wonder of the Day.

#1182

Why Do You Blush?
Why Do Your Muscles Cramp?

Today’s Wonder of the Day can be a real pain in the leg!

#840

Why Do Your Muscles Cramp?
Why Do You Yawn?

Today's Wonder of the Day won’t put you to sleep, but it may make you yawn!

#35

Why Do You Yawn?