Dr Chris and Dr Xand demonstrate an awesome body trick and reveal another way the human body heals itself after an injury.
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'He's Dr Chris.'
'He's Dr Xand.'
'And, yes, we're twins.'
'Do you know how brilliant your body REALLY is?'
I'm getting better.
'Well, we're going to show you.'
Ooh, there you go.
'In this series we'll be pushing our bodies to their limits...'
'..by doing extraordinary experiments on each other...'
This is my sick.
'..to uncover what goes on inside...'
Ew! That just came out of my ear!
Wow, that's amazing.
'From the bizarre...'
-Could we get a sample of your snot?
-'..to the incredible.'
-So now I'm seeing things.
'It's time to find out what you're made of.'
Chris? Chris? Chris?
-Coming up today on... BOTH:
We've got another awesome body trick for you to try.
Now try and stand up.
Oh, I'm stuck.
And we're going to look back at some of our best bits from Ouch!
'We show you what really happens when you sneeze.'
Xand, I'm pretty sure that even as a doctor you won't know this either.
'Then, create some germ art.'
I don't know why everyone doesn't paint this way.
And what's this woman going to do with this box?
All will be revealed very soon.
Here's one of our favourite hospital cases.
The team in Accident and Emergency thought they'd seen everything.
And then Sam turned up.
In Accident and Emergency is 15-year-old Sam, a budding boxer
suffering with sharp pains in his stomach.
I've had this pain for quite a few weeks.
A stabby, fiery pain.
That must've been quite a fight.
Who delivered the killer punch? Amir Khan?!
Nope, it didn't happen in a fight. It happened in his sleep.
It was night time and Sam was in bed.
He was fast asleep, dreaming of boxing.
That's why he's punching, then.
Yes. But inside his stomach another battle was brewing.
I can see what's coming.
'In the red corner, we have the cramps.'
They look tough.
'And in the blue corner, it's the stabbing pains.'
This could be a close fight.
It was, and it was making Sam pretty uncomfortable.
He doesn't look too good.
The longer the fight went on, the worse the pain got
until it was too much and he woke up.
Ouch! Off to hospital for Sam.
I don't want it to get in the way of my next fight.
Your next fight might have to wait, Sam.
First, you've got to overcome the battle in your belly.
Meet Dr Eni Folaranmi. He'll check our patient out.
Does it hurt here?
Or does it hurt here? So that's... This is one and this is two.
Number two, remember that. Bit of a clue.
To find out what's going on, Dr Eni sends Sam for an X-ray.
And, after a quick snapshot, the results are in.
Looking at it, he's got lots of faeces, poo, in his colon.
And in his rectum.
Yep, all these areas are full of poo.
Sam is severely constipated so he really needs to go to the loo.
-You're really bunged up.
-And he doesn't mean your nose.
You've got poo all over your colon.
Your discomfort might be coming from the fact that you're constipated.
I can't believe it's poo!
You'd better believe it, Mum.
In fact, constipation is one of the most common causes
of a sore stomach.
To get rid of the pain, we need to get rid of that poo.
Time for the world champion of poo-fighting medicine - the enema.
An enema flushes fluid into Sam's large intestine to soften up
the blockage and help Sam have a heavyweight poo.
Let's hope this gets things moving.
Well, after a night in hospital, have we had any success?
He managed to go to the toilet
but the pain in his tummy is still very severe.
I've been up most of the night.
That stabbing and fiery pain came back.
It looks like there'll be more treatment on the cards
so we'll be back for round two of Sam versus the poo later on.
And now to our lab, where we do incredible experiments...
Urgh! Looks disgusting!
..to show you how your body works.
Just don't try anything you see here at home.
I'm going to show you something about sneezing that you won't know.
And, Xand, I'm pretty sure that even as a doctor,
you won't know this either.
'First of all' I need to Xand to sneeze.'
So why don't you try rolling up the corner of this piece of tissue paper
-and stick it in your nose.
'Xand, cover your mouth!'
Oh, I'm covered in spit. So what happened there?
I put something up my nose
and my body just blew it out cos it didn't like it.
How does it clear your nose?
Like, you sort of go, "pfffft", like that
and just blow everything out your nose.
-That's what you think happens?
This is really good. So even doctors honestly think this happens
when you sneeze, and that is completely wrong.
So you don't blow anything out your nose when you sneeze.
Everything comes out your mouth.
And we can prove it to you if you look at this video of me sneezing.
'OK, here we go. I'm going...I'm going...I've gone!
'That's all saliva that was in my mouth
'but nothing is coming out of my nose.
'It's only after I sneeze that my body will create mucus to
'flush out whatever irritated my nose in the first place, and that's
'when snot will come out of my nostrils.'
So we've shown you that
when you sneeze, the spray only comes out your mouth.
But imagine if Chris had been ill when he sneezed.
'Every single one of those droplets could have contained
'disease-spreading germs, and that's why it's so important
'to cover your mouth.'
Now we're going to show you just how big and powerful a sneeze can be.
'We're going to create our own work of art.
'We'll both drink different coloured liquids then get a sneeze going
'to create our masterpiece.
'Get ready for germ art.'
OK, so are you going to go first?
That's really good.
'Now you'll notice an amazing splatter effect and that's
'all down to the speed our sneezes are travelling.
'100km an hour to be precise.
'And, remember, if we were ill, that would all be germs.'
I really like what you've done there though, you've really...drawn...
I've got the nose right.
I don't know why everyone doesn't paint this way.
'Now, with all this sneezing, look what's started to happen.'
'Yep, snot. And that's the mucus our bodies have created to flush out
'what was making us sneeze.'
I hope we've painted for you a clear picture of why it's
so important to cover your mouth when you sneeze.
Use a tissue or do it into your elbow.
You've got a little snot.
We've got some incredible body tricks for you to show your friends.
Want to find out how you can stop your mates
from standing up straight?
Well, we're going to show you.
I have an amazing trick to show you. Who wants to see it?
Brilliant. OK. Chris, you ready?
Yeah, really ready.
-Right, what I want you to do is go and stand and face that wall.
OK? Face the wall. Cross your arms across your chest.
And then bend over so that your head's touching the wall.
Brilliant. OK? And now, try and stand up again.
That was rubbish. That was easy.
Even these guys are going to be able to do that.
-Chris, I haven't finished the trick.
OK. Bend down. Fold your arms. Bend over.
Touch your head against the wall. And now just take one step back...
Now try and stand up.
Oh, I'm stuck.
Because I moved my feet back, I just can't stand up at all.
-Who thinks they can do a better job than Chris?
Oh, you all think you can do it, can you?
-'Let's see, shall we?'
-One, two, three, go.
-'She can't do it.'
'Neither can he! Good effort, though.'
'So why is it that no-one can simply stand up straight?
'Even I can't do it and it was my idea.'
Who can tell me why it was so difficult to do? Jessica.
Cos when you're bending and you take a step back,
like, there's less weight here and because you're
leaning on the wall, like, more of your weight goes over there.
Lovely. Who else has got a nice explanation, then? Ella?
It's hard as well because you're leaning back on your tiptoes
and your muscles are stretched and you can't really stand up
while your muscles are that stretched when you're bending down.
'Well, Jessica and Ella are both right in a way.
'Look at Chris.
'When he first bends over, all his weight is in his feet
'and he can straighten up easily.
'But when he takes a step back, his centre of gravity shifts
'and some of the weight moves to his head.
'This means his tummy muscles
'aren't strong enough to straighten himself up.'
Chris is still stuck. Shall we let him up?
I've got a much better idea.
Why don't we just use Chris as a nice new book shelf?
Oh! I can't even read the books.
That's brilliant. If anyone needs a book, they're over there.
This is really embarrassing.
Earlier, we saw Sam in Accident and Emergency.
I wonder if he's had a poo?
Mm. Let's find out.
Back in Manchester, budding boxer Sam is in hospital
with a troublesome tummy.
He'd been fast asleep, dreaming of a boxing victory.
Watch out for his fists.
But a battle was brewing in his belly.
I wouldn't mess with them.
As the stabbing pains took hold,
Sam woke up with a seriously sore stomach.
X-rays revealed Sam was severely constipated -
basically needed a big poo.
He's managed to have one but a second X-ray shows there's
still plenty of poo to come out.
They've cleared the left side
but now there's a load of poo on the right side.
Enter Dr Alex Turner,
a man with a plan to banish that blockage for good.
I'm just going to insert a nasogastric tube.
So that's a tube that's going to pass down the nose
and into the stomach so we can administer a special medicine.
This tube means the medicine can get straight to the poo,
soften it up and hopefully help Sam go to the loo.
So, with the medicine making its way to the pile-up,
there's only one thing left to do - wait.
No so much as a sniff.
No, I think we might be here a while.
Come on, Sam! Still nothing?
-How many times has he tried to go?
I've lost count.
Several toilet trips later, do we have a result?
Thank goodness for that.
Hooray! It's a knockout.
The poo has come at last. The big poo!
I feel great. Finally it's... The poo's just come out.
I bet you do. It was one big blockage.
Got to really watch now what Sam eats.
I mean, like, he's got to cut down on his sweets and, you know,
the fizzy pop that he drinks. Pizzas, burgers, cheeseburgers.
Yep, and drink plenty of water.
So, remember, if you want to do do-do,
don't, don't, don't eat too much junk.
I just can't wait to get back to boxing.
Still to come, something scratches the unluckiest kid's eye, but
don't worry, we'll show you how your body deals with it.
Things get nippy when I enter a room colder than anywhere on Earth.
-What's it going to feel like?
And Ryan comes into Accident and Emergency to get fixed after
an unusual accident.
Hope I didn't, like, fracture anything.
I want to get back to playing cricket.
Now, did you know there are up to 400 joints in your body?
They sit between your bones and without them you'd only be
able to move your eyebrows and your tongue.
That's amazing! And so's this.
An ordinary warehouse, full of boxes.
I can see that, Chris.
And this is a clear, plastic box.
Again, I can see that.
But what's it doing here? And who's this?
You'll see. She's hiding an amazing body skill.
She's very bendy.
She is indeed and you're about to find out what she can do.
Now, you'll notice she's a lot bigger than that box.
Ooh... Is she going to...? No, she's not, is she?
Yes, she is.
This is Delia Du Sol and she's a contortionist -
a professional acrobatic performer who's trained herself to fit
into unbelievably small spaces.
So how does Delia's amazing body do this?
Well, inside Delia's limbs, she has super stretchy ligaments.
That's the soft tissue that holds our bones together.
Although she was born this way, Delia trains hard every day
to make sure her ligaments remains flexible.
But this isn't something to try at home.
It's fine to practise flexible moves at home
but I wouldn't recommend squeezing yourself into small spaces.
That's because if you get it wrong, you can get stuck
and seriously injure yourself.
In fact, there are very few people in the world
able to bend their bodies this way.
And it takes years of training and practice
to achieve a body skill like this.
Now that's amazing!
We're in the park - the perfect place to spend an afternoon.
Whether you're sitting, having a picnic...
..walking with friends...
..or playing football.
But a day in the park can also be a day of danger.
You could fall asleep without sun cream and get sun burnt.
You could get lost and stumble into a forest full of hungry bears?
Phew, danger averted.
Or you could accidentally forget your money for ice cream
and have to watch other people enjoying theirs.
Shall we play football, then?
Yeah, all right, let's do penalties.
Ooh, hang on, I have got some money after all.
I'll race you to the ice cream van.
Ooh! A minor injury.
So what should you do if you sprain your ankle?
A - roll around on the grass crying, "I'll never compete again?"
B - apply something cold to the injury
for no longer than ten minutes?
Or C - buy the Ankle De-sprainer 2000 and...hope it works?
The correct answer is B.
We need to reduce the pain and the swelling with a cold compress.
How's that, Xand?
Well, it's better but I'm still not happy.
I know something that'll cheer you up. Come with me.
My ice cream!
My clothes! Hey!
'So, remember, if you sprain your ankle then put something cold on it
'for no longer than ten minutes and if you're worried, tell an adult.
'In fact, lots of injuries can be helped
'by putting something cold on them.
'It's particularly useful for sprains, strains and pulled muscles.
'This is because it reduces inflammation, stops swelling
'and can help with pain.
'So don't forget this cool fact.
'Nice one, Xand.'
When you get injured, your body is brilliant at mending itself.
This next boy should know. He's always having accidents.
# If there's a bone to break he'll break it
# If there's a knee to graze he'll graze it
# If there's an ankle to sprain he'll sprain it
# He's the unluckiest kid. #
Your eyelashes and eyelids protect your eyeballs but sometimes
little things can blow into your eye and can scratch the surface.
Immediately, the area around your eye gets to work.
The tear ducts open up and tears rush in to flush out the debris.
And your eye blinks furiously, spreading the liquid about.
Then, your body injects something called lysozyme into your tears.
This acts like a disinfectant to keep infection out.
The offending article is usually pushed out.
And then your eye gets on with mending the scratch left behind.
Fresh cells fill up the injury and, in just 24 hours,
your eye's left as good as new.
BOTH: Oh, dear.
# He's the unluckiest kid. #
What is the body's largest organ?
Is it A - your heart?
B - your lungs? Or C - your skin?
The answer is C - your skin.
And when you're cold, it gets covered in goose bumps, but why?
Sounds like a case for Investigation Ouch!
Behind this glass it's colder than the freezer in your kitchen.
It's actually colder than the North Pole.
In fact, it's colder in here than the coldest place on Earth.
This is called a cryogenic chamber and I'm about to get inside.
That actually sounds like a terrible idea.
A cryogenic chamber is a freezing cold room used to treat
common health conditions and help top athletes recover from injury,
helping to repair their muscles.
But today, I'm using it to find out how our bodies react
in extreme cold.
That room is minus 60 degrees
and the room behind me is minus 135 degrees.
That's five times colder than the coldest day ever recorded in the UK.
-What's it going to feel like?
This is Renata Zejer and she'll be monitoring me to keep me safe
when I'm in the cryogenic chamber.
So clearly I'm going to need a very warm coat to go in there.
No, just very, very small clothes. Not very warm clothes.
-This is it? This is all I get?
-This is only that.
Perfect. What do I mean perfect?
This doesn't look like nearly enough clothes.
I might be cold but at least I'm going to look stylish.
'Headband, vest, shorts, two pairs of socks, clogs, face mask, gloves.'
I told you I'd be looking good.
So I've got James with me filming but James can't come in with
that camera so I've got a special camera with me
which I can take in there. So I'm not going alone - you're coming with me.
Here we go.
'And it'll be so cold in there that I need the face mask to stop my
'snot and saliva from freezing!'
It is very cold but it's quite manageable because it's very dry.
It's also very... It's almost sort of foggy in here.
So the room I'm in at the moment is as cold as the coldest
temperature ever recorded on Earth.
'But this room is just preparing my body for the next room,
'which is twice as cold.
'Minus 135 here I come!'
Oh! OK. Um...
'It's so cold in here that I can only stay in for three minutes and
'Renata will be monitoring me the whole time to make sure I'm safe.'
It's very hard to describe quite how cold this is.
The closer I get to the floor... Whoa! Whoa! Whoa!
This is now very, very, very cold.
It's very hard to think, it's so cold, actually.
'The shock to my body is making it hard to control my breathing.'
I'm getting goose bumps all over my arm and you can see
every single hair on my arm is standing straight up
and the reason that's happening is that
my body is trying to trap a layer of air, very close to my skin and...
er...I'm shaking a lot.
'Shivering like this is my body getting my muscles moving to
'generate heat and keep me warm.'
As my hand gets cold you can see all the blood goes out of my skin
and now my fingertips are going absolutely white.
Very, very cold indeed.
'That's because as my body gets colder it's making a choice.
'It's taking the blood away from the parts of my body it can do
'without, like my fingers and toes, and putting it into the centre of
'my body to keep vital organs like my heart and brain alive.'
I'm now coming up to almost three minutes.
I will be very pleased to come out.
That's so much better. This is like walking into an oven.
'But when you're cold you get goose bumps and that's your skin
'trying to trap a layer of warm air around your body.'
So what you can see from that is how important your skin is
in regulating your body temperature.
'And when you get extremely cold, your body starts making choices
'about what it wants to keep going.'
Very, very, very quickly, my body takes the warm blood
from my skin, brings it into the middle of my body to keep
my organs warm, my brain going - all of these things.
When I come out into the warm, my body immediately releases
that blood and you see it all going to my skin.
'And there's a very good reason
'why our bodies react like this in the cold.'
If my core body temperature - that's the temperature in the middle
of my body - had dropped by even four degrees it could've been fatal.
What's so interesting about being in a room that cold
is that you can see all the incredible things your body does
to keep you at exactly the right temperature.
It's time to meet our next patient.
Let's see how the team deals with this.
In Manchester, 12-year-old Ryan has come in by ambulance with
a nasty neck injury after an attempt to jump like James Bond went wrong.
It was, like, a karate kick. I thought I broke my neck but
if I broke my neck I would've been, like, dead.
Well, luckily you're not.
But I'm not sure he'll be the next 007 either.
So how did this happen?
MUSIC: James Bond Theme
It was just another ordinary day at school.
It was lunchtime, and Ryan, being a secret agent,
was on a top-secret mission.
He's a secret agent?
OK, he was pretending to be a secret agent.
Cool, calm and collected,
Double-O-Ryan stepped from the shadows.
In one swift movement, he unleashed his killer karate kick...
When, suddenly, his mate grabbed his foot and Ryan dropped on his head.
After such a serious accident, Ryan is on a fixed board
with support pads to prevent his neck and spine from moving.
Enter Dr Craig Ferguson.
He'll check out our wannabe 007.
-Any pain in your back or is it just your neck?
Head injuries and neck injuries are common.
The James Bond theme is less common.
But he's got neck pain so we have to take it seriously.
Dr Craig needs to find out if Ryan has broken any bones
but to do that, the team have to move him in a special way -
keeping his head and body in line.
That's because the bones in your neck and back protect the important
nerves that run from the brain into the body through your spinal cord.
And can we touch all the way down?
It's not sore anywhere, is that right, Ryan?
I want to get some X-rays to make sure the bones are intact.
If the bones are intact it means that it's much less likely
that he's suffered any nerve injury.
Fingers crossed. Get ready for your close-up, Ryan.
There are seven small bones in the neck and getting shots
of them all can be tricky. First, his teeth are in the way.
I suppose they could take them all out.
What we're going to ask you to do is open your mouth a little bit for us.
Yeah, that's probably a better idea.
With his mouth open, the X-ray can see the bones in his neck.
OK, as wide as you can. Wide as you can.
That's it, brilliant. And relax your mouth again.
And now, his shoulders are in the way.
They could cut them off.
Pull down so you feel like you're trying to touch your toes.
Yeah, that's probably better.
Keep pulling down to your toes.
Lovely. And relax.
Yeah, that's brilliant.
I hope I didn't, like, fracture anything.
I want to get back to playing cricket.
OK, let's just check out your X-rays first,
then you can get on with winning the Ashes.
I'm making sure the bones are aligned and I'm making sure
there's no breaks in any of the bones I can see.
I think there might be good news for Ryan.
Ryan, I've had a look at all your pictures.
They all look fine. I don't see any broken bones or...
Everything looks where it's supposed to be
so I think you're going to be a bit stiff and sore for the next few days
but I think it's going to gradually get a bit better after that.
It's been a lucky escape for Ryan.
It feels like a relief because I don't want to break my neck.
You can go back to school tomorrow
-but no more James Bond moves, please.
MUSIC: James Bond Theme
'On this series, of Operation Ouch!
'we've been on a medical mission to show you how your body works.'
-You look really funny.
-You look funny.
'We've had operations.'
This is really satisfying, watching this.
I'm really, really enjoying this.
'We've seen stitches and glue...
'..and some pretty unusual things.'
There you go, out it comes.
That was in my nose.
'We've been on investigations...'
We've got to get the blood where it's needed as quickly as possible.
I really don't like it in here.
-We want a sample of your snot.
Ooh, there's a couple of nice ones on there.
'..and we've pushed ourselves to the limit...'
Now it is quite painful. It stings.
Xand said he'd do this.
Ooh, that just came out of my ear!
'..to show you just how amazing your body really is.'
Look at this. Wow!
Whoa, that's really good. Whoa!
Three, two, one...
So look after yourself.
And that brilliant body of yours. Bye!
Subtitles by Red Bee Media Ltd
Dr Chris and Dr Xand show you an awesome body trick to amaze your friends with, and reveal another way your brilliant body heals itself if you get injured. The doctors also look at some of their best bits of Operation Ouch! so far.