From the brains behind brains on, this is the moment of um.

Um, um, um, um, um, um, um, moment of um comes to you from APM studios. I'm Anna Goldfield.

Um.

Now that I'm a grown up, I love to look back on my glory days of playing basketball for my local

rec league. I wish I could tell you that we had a really cool mascot that did sweet flips and

dance moves at our games. But our team mascot was the color blue. Like the color. That's it.

Basically, we just wore blue and called it a day. Anyway, I was a point guard,

and I was pretty good, but one thing held me back from being the next Steph Curry. I wore

prescription sports goggles, which were amazing because they helped me see, but tough, because they

kind of blocked my vision on both sides of my head.

So I did a whole lot of ducking out of the way of the ball and not getting hit in the face.

Thanks, reflexes.

Hi, my name is Gary, and my question is, why do we have reflexes?

So short answer is, we have reflexes to keep us safe.

Hi, I'm Dr. Karen Litsy, a physical therapist based in New York City.

And today I'm answering the question of why do we have reflexes?

So for example, if you were in your kitchen and you put your hand over the stove and you

didn't know it was on, it would feel hot and you would automatically, without even thinking

about it, your hand would pull away.

That's a reflex.

Or if you're playing with your friends and someone throws a ball at you, it's coming

towards your face, you're going to put your hands up quickly to protect your face. And they're

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