How Does Fear explained in 90 seconds Work?

Imagine fear is like a sudden, loud noise that makes you jump, just like when your favorite toy falls off the bed.

When something scary happens, like a big dog jumps out at you, your brain says, “Oh no! I need to run or hide!” It sends a message through your body really fast, and that’s what makes your heart race and your legs feel ready to move, like when you’re about to jump into the pool.

How Fear Works in Your Body

Your brain has a special part called the amygdala, which acts like a little alarm clock. When it sees something scary, it goes beep beep and tells your body to get ready for action, that’s fight or flight time!

At the same time, another part of your brain sends messages to your muscles, making them tense up, just like when you hold your breath before jumping into a pool.

After a little while, once you realize it was just a big dog and not a monster, your body calms down again. It’s like when you finally jump in the water and feel relief instead of fear. Imagine fear is like a sudden, loud noise that makes you jump, just like when your favorite toy falls off the bed.

When something scary happens, like a big dog jumps out at you, your brain says, “Oh no! I need to run or hide!” It sends a message through your body really fast, and that’s what makes your heart race and your legs feel ready to move, like when you’re about to jump into the pool.

Take the quiz →

Examples

  1. A person screams when they see a snake.
  2. Your heart races when you're chased by someone.
  3. You freeze when you hear a loud noise.

Ask a question

See also

Discussion

Recent activity

Categories: Science · fear· science· body response