What happens when you get a concussion? (Thinkstock)
What happens when you get a concussion?
Lexile

You asked us a question. 

"What happens when you get a concussion?"
 
Our brains are the consistency of Jell-O. Luckily they are covered in bone. They are wrapped in membranes. And they are floating in fluid. 

They are also one of the best-protected organs in our body. Until we get hit on the head. Or tossed around.
 
Then those delicate brains can end up bumping and twisting around in our skulls.
 
One result from that might be a concussion. It is a traumatic injury. It can change the way our brains work. That is at least briefly.
 
That is because nerve cells can get stretched. That affects their ability to send and get messages to and from the rest of the body.
 
And those protective membranes surrounding our brains? Well, they can tear. That allows toxic materials to leak into brain tissue. It causes cell death.
 
The brain is like any other bruised flesh. It might swell during a concussion.
 
It does not have a whole lot of room to expand. So it can end up pressing against the skull. That can cause even more damage.
 
Getting a lot of concussions can add up over time. They lead to problems with memory loss. They can also lead to problems with depression and even dementia.
 
So what is the lesson today? Be careful with your Jell-O brain.
 
Mmmm ... Brains! Brains!

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CRITICAL THINKING QUESTION
Why does bruised flesh swell?
Write your answers in the comments section below


COMMENTS (62)
  • ashlys1-rob
    10/01/2015 - 09:45 a.m.

    Well from my understanding I guess it's because when it get's bruised the flesh gets soft where the bruise was and it starts hurting which will make it swell.

  • abrianap-rob
    10/01/2015 - 09:49 a.m.

    Bruised flesh swell because when u have a concussion it dosen't have alot of room to expand. So it can end up pressing up against the skull. That will cause more damage to the brain. So be careful of not getting a concussion because it can cause memory loss.

  • jykalam-rob
    10/01/2015 - 09:49 a.m.

    The protective membranes if they tear the toxic material can get into the brain tissue and it causes cell death.That is what causes bruised flesh swell.

  • kearriar-rob
    10/01/2015 - 09:49 a.m.

    I think that it would be better if we had instead of that concussion we could have something better like a diffrent part of the brain.

  • chasityw-rob
    10/01/2015 - 09:51 a.m.

    Whatever flesh you bruse is going to swell and bruse

  • giovanni-hym
    10/05/2015 - 01:47 p.m.

    Bruised flesh swells because it does not have lot of room to expand.

  • john-hym
    10/05/2015 - 01:48 p.m.

    Bruised flesh swells because when you get hit in the head and it expands. That's why bruised flesh swells.

  • john-hym
    10/05/2015 - 01:50 p.m.

    Bruised flesh swells because there is not a lot of room to expand.

  • zane-hym
    10/05/2015 - 01:51 p.m.

    Why does bruised flesh swell because it does not have a lot of room

  • zaire-hym
    10/05/2015 - 01:55 p.m.

    Bruised flesh swell's because when you get hit in the head your brain can cause swell up and your head can not think about what you want to think.

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