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7 Organs You Could Totally Live Without

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Most people know that they don't need their appendix, but what other organs can humans live without? Hosted by: Hank Green ---------- Support SciShow by becoming a patron on Patreon: https://www.patreon.com/scishow ---------- Dooblydoo thanks go to the following Patreon supporters: Kelly Landrum Jones, Sam Lutfi, Kevin Knupp, Nicholas Smith, D.A. Noe, alexander wadsworth, سلطا الخليفي, Piya Shedden, KatieMarie Magnone, Scott Satovsky Jr, Bella Nash, Charles Southerland, Bader AlGhamdi, James Harshaw, Patrick Merrithew, Patrick D. Ashmore, Candy, Tim Curwick, charles george, Saul, Mark Terrio-Cameron, Viraansh Bhanushali, Kevin Bealer, Philippe von Bergen, Chris Peters, Justin Lentz ---------- Looking for SciShow elsewhere on the internet? Facebook: http://www.facebook.com/scishow Twitter: http://www.twitter.com/scishow Tumblr: http://scishow.tumblr.com Instagram: http://instagram.com/thescishow ---------- Sources: http://hemifoundation.homestead.com/facts.html https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4729844/ http://www.slate.com/articles/news_and_politics/explainer/2013/03/pope_francis_has_only_one_lung_is_that_a_problem.html https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3472481/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC64801/ https://www.niddk.nih.gov/health-information/digestive-diseases/digestive-system-how-it-works https://www.nostomachforcancer.org/about/life-without-a-stomach/gastrectomy https://www.nhs.uk/conditions/gastrectomy/risks/ https://www.merckmanuals.com/home/blood-disorders/spleen-disorders/overview-of-the-spleen https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5605342/ https://www.ncbi.nlm.nih.gov/pubmedhealth/PMH0072577/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2701258/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5602614/ https://www.ncbi.nlm.nih.gov/pmc/articles/PMC1358332/ https://www.niddk.nih.gov/health-information/digestive-diseases/gallstones/definition-facts http://www.americanjournalofsurgery.com/article/0002-9610(76)90295-6/abstract https://www.kidney.org/kidneydisease/howkidneyswrk#howis https://www.niddk.nih.gov/health-information/kidney-disease/kidney-failure/kidney-transplant https://www.sciencedaily.com/releases/2015/05/150527124736.htm Images: http://www.thinkstockphotos.com/image/stock-photo-x-ray-of-brain-in-skull/dv385010 http://www.thinkstockphotos.com/image/stock-photo-3d-illustration-of-lungs-medical-concept/639399418 https://en.wikipedia.org/wiki/File:PneumonectomyXray.PNG http://www.thinkstockphotos.com/image/stock-photo-3d-illustration-of-stomach/519081448 http://www.thinkstockphotos.com/image/stock-photo-human-spleen-anatomy/872739182 http://www.thinkstockphotos.com/image/stock-photo-3d-illustration-of-liver/524388994 https://en.wikipedia.org/wiki/File:Laparoscopic_Cholecystectomy_Incisions,_1_Week_Old.jpg http://www.thinkstockphotos.com/image/stock-photo-3d-illustration-of-urinary-system/524387736
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Text Comments (2237)
mutantmaster1 (2 days ago)
I got my tonsils removed, and my immune system is still kicking ass 😀
Susan R (3 days ago)
I've lived 30 years or so with no gall bladder and no problems. Believe me, if you get a gallstone lodged in your bile duct, you'll be begging for surgery (or a bullet). The telltale symptom, I was told, was the pain under my right shoulder blade. Sounds odd, but it's referred pain. The surgery will be on your right abdomen. The radiologist showed me the x-ray. The pile of stones in my gall bladder was obvious even before she pointed it out.
Kayla (3 days ago)
what if you were missing all of these
Tianna Graham (4 days ago)
I love how resilient our bodies are. Absolutely magnificent.
Kohler West (4 days ago)
Why is his neck blurry?
random mcr fan (5 days ago)
Who needs a brain
Harpinder Dhillon (6 days ago)
ToasterFly (6 days ago)
If one kidney can do the job of two kidneys, why don't they always run at double efficiency?
F.D. English (6 days ago)
Ler Bear (5 days ago)
F.D. English some people don't have one due to a birth condition or it got cut off. Can you live without yours?
Baby Jesus (7 days ago)
I have 3 kidneys too!!
Baby Jesus (5 days ago)
Yes I got an X-ray and I got 3 kidneys
Ler Bear (5 days ago)
Baby Jesus are you serious?!?!🤔🤔
Baby Jesus (7 days ago)
I’m born with one lung
Mithrilluin (7 days ago)
My grandma had lung cancer and they removed half of one of her lungs. She had no problems until she had a test done and they accidentally collapsed her healthy lung.
Tausif Shafique Sadik (8 days ago)
It is really a dumb thing to think,about living without an organ when it is still functioning and not affected by any diseases.We human are created in the best way among all other living things by GOD.So every organ and part of our body that we are born with is absolutely necessary for us to live a healthy and happy life.But sometimes bad things can happen (like accident,war,cancer etc) then and only then we should think about removing the organ.But we should always choose the way of prevention and cure if it is really possible.
Jovan Naumovski (9 days ago)
Imagine if someone that had his/her spleen removed was an anti-vaxxer.
Dollightful (9 days ago)
Wow, the human body really is amazing! I couldn't believe the one about the stomach!
Sepiyan Siva (9 days ago)
Really mind blowing!
AnimalsAndReports (12 days ago)
You can live without a bladder A rerouting of urine excretion is necessary
Ian (12 days ago)
Ok, at 2:46, how does he NOT say "more BREATHING room"?! That's so obvious!! C'mon, Hank!
Ian (12 days ago)
Aw, Howard Beale beat me to that, three months ago. I knew it was obvious!
micahve (12 days ago)
So adding ectomy to a body part means taking it out...?
Βασίλης Παπ. (14 days ago)
Yo imagine missing all of them😂
Max Kordon (14 days ago)
got my gallbladder removed right after turning 18 because of SUDDEN IMMEASURABLE PAIN, no gallstones though, they have no idea why it was inflamed, but it was and it UNBEARABLE to live with so we got rid of it
Slothium (17 days ago)
So if you can survive with just half your brain and be relatively fine, how come you can die just from getting a blunt impact to your head? If it only affects one hemisphere how come you can die from that?
Azerim YTube (17 days ago)
The real question is: Could you live with one hemisphere, one lung, one kidney and a half of a liver?
Tanisha Yashmin (17 days ago)
not only 7 there are 8...because the one is the head
Cynthia Forsyth (18 days ago)
I don't have a Gallbladder. ✌️
ir0nknight kcorb (18 days ago)
What about your skin?
Siji Doherty (18 days ago)
I have to say, the fact that i can live with only one lung is completely... ...breathtaking
da1otta (18 days ago)
Most people spend their entire lives without a brain.
mr.boomboom bomb (19 days ago)
Oh cool the dude from uhhh forgot the name but does humen body leasons yay i like him
brittany lolling (19 days ago)
I had my appendix removed when I was 10 or 11.
Toffee The Cat AJ (19 days ago)
“Your body is a highly tuned MACHINE” Oh My Gosh I’m A Robot Then!
Micah Ketola (19 days ago)
Does anyone else notice that he's missing a button??????
CJ Russell (21 days ago)
My family has had issues with their gallbladder. My great grandma had it removed, and my dad had issues with it before.
Keanun Moskaluk (21 days ago)
Is this guy the same dude as the one in crash corse? If so then I’ve realized that he’s my favourite person to have to listen to in class, he makes history and science fun.
XRADIANT GAMINGX (21 days ago)
Idk why, but everytime I think of Hank, I think of Hank Hill saying "I sell propane and propane accessories"
A meme friend TM (21 days ago)
"You could totally live without a lung" tfios amirite
Luzifer (22 days ago)
Its not redundancy its backup
Asterio (23 days ago)
Sometimes, I suspect whether people on internet had brainectomy.
Lucas Williams (23 days ago)
Large intestine too!
Corbin Lewis (24 days ago)
bad pun :{
yay juiws (24 days ago)
I might live but I won't live an enjoyable and comfortable life. I'd rather die than live an uncomfortable life without those organs. And that's their purpose to make life enjoyable, comfortable, worth experiencing and motivate us to keep living and to reproduce and spread life everywhere.
House of Mouse (25 days ago)
Could you remove all seven?
Num nut (25 days ago)
thanks for helping me pay my way through coledge
דורון פדר (25 days ago)
i know a ton of people who live without a brain
TRCT Does (26 days ago)
Really you could live without a brain
J. M. Pérez (26 days ago)
you need to reword your video title. because you still have half or one of the two mentioned organs.
Cheri Rodriguez (28 days ago)
Thank you so much for mentioning living organ donation! I am waiting for a kidney transplant and my best chance for a long term outcome (because of the disease that caused my native kidneys to fail) is with a living donor.
Goldenheart ! (28 days ago)
I read the title as SHOULD and I thought: WOAH, I mean... ????
No Hetero (28 days ago)
1:26 haha he said erect It’s funny because I’m as immature as a second grader who knows about sex
Me Playzz (29 days ago)
What if you had all the listed organs taken with the correct amount taken
That Bad BLU Spy (29 days ago)
I always thought the spleen was just a made up organ used as a means of putting medi-babble into kids' shows where occasional accidents occur to characters. Think phrases like, "My leg!" or "Ow! Right in the [organ]!"
mohammad halabi (29 days ago)
Actually, you can live by only half a million Nephrons .. which means you only need half a kidney to stay at the edge of life.
Jason Fee (1 month ago)
Hank's got so much more entertaining over the past few years. He's really in the right job. Good on him.
A 87 (1 month ago)
i keep imagining getting riddled with gunshots and somehow surviving with most of my organs removed... god the maintenance, physical therapy and surgery bills are going to be so expensive... i almost don't want to survive it
KIPeanutGallery (1 month ago)
Great video, but I'm surprised he didn't mention the pancreas. I know several people missing most or all of theirs, usually due to cancer. Plus, though they aren't vital like some other organs, people can easily live without their reproductive organs. Plus people missing sensory organs. And to speak further on the brain, though it does affect the person, frontal lobotomys are a thing. I could go on. Over all humans are surprisingly resilient creatures.
Charlie DeLacey (1 month ago)
What you can do with only one lung: BE POPE! Yup, Pope Francis only has one lung, and it doesn't seem to be slowing him down.
QueenofSilence101 (1 month ago)
I'm assuming you could live without your reproductive organs, too, right? You might not be happy about it, but you're not gonna die if they're gone.
Han Solo (1 month ago)
U cant. It is made that way. Body wont wotlrk properly.
Kan CK (1 month ago)
8 testicles
Be Frank (1 month ago)
Anyone need some liver?
Ishi Karsan (1 month ago)
I forgot the spleen existed
San dro (1 month ago)
The first one. Sounds like a new level of lobotomize to me.
The Falconer Family (1 month ago)
🙀 👎👕👎 👖 👞 This is molang he ahs no organs 1 like 1 organ please save him
jiminimini (1 month ago)
this video is informative for broke BTS fans
danteelite (1 month ago)
As someone who has only one lung, I can honestly say, you don't really notice a difference.. my right lung was full of tumors and such so maybe it didn't work great to start, but I often forget I have one lung... One thing, my heart moved a good distance, and you can't feel my heartbeat from my chest if I'm relaxed lol So I joke with my nieces and nephews that I'm a zombie, I died and have no heartbeat! ;D it freaks them out!
Michael Sjoegelid (1 month ago)
did anyone search up how much they can sell their kidney for ? i did that..😂
SunGuru86 (1 month ago)
So how about removing part of the largest organ of the human body, the skin? It also grows back.
jose acivedo (1 month ago)
The liver:if the world became a rpg the liver would become the solo healer
denzyl casuela (1 month ago)
Can you still swim with only one lung?
3 runes (1 month ago)
I actually laugh at his puns
DeadlyNightShade11 (1 month ago)
Just got my gallbladder taking out on Sat! I'm so happy it's finally gone. It got inflamed and the surgeon was like okay we need to finally get this thing out. Now I'm just recovery c:
JonnyLikesGames87 (1 month ago)
You can also live without your colon. I should know, mine was removed in 2005.
zach caldwell (1 month ago)
He said spleen so many times
Jiraton (1 month ago)
If half of my brain is removed and put in another body, then where will I «be» ?
Animated Tigress (1 month ago)
It's very obvious u can live with half a brain and half a lung since there organs that are pairs....
Doom2pro (1 month ago)
What about the Appendix?
A Sodium Duck (1 month ago)
>be me >be broke college student >sees video >gos to surgeon >sells all extrainius organs >now i can afford one textbook!
KelsaRavenlock (1 month ago)
Question: can ultrasonic treatment be used for gallstones?
KelsaRavenlock (1 month ago)
the thing I hate thinking about with having your stomach removed is still vomiting due to dumping syndrome. Vomiting is bad enough without having to think about the fact that the food you just vomited into your mouth came out of your intestines. (edit sorry should have finished watching before the post as you covered dumping syndrome)
Claus Christian (1 month ago)
I've got gallstones and my gallbladder still in :'( Ty mom and dad for the good genes ...
So basically what surgeons do is cutout our damaged organs and hope for the best?Wow doctors can suck at their jobs sometimes or they just run out of options.
Dragon's Blood (1 month ago)
Wait... Liver farm...
R3DLUFF (1 month ago)
Why do they not remove your kidneys if one or both are broken and you're getting a new one? Wouldn't it be better to get them out if theyre opening you up anyways? also, if only one kidney is working and that means it grows a bit to be more efficient, how does it have enough room to function? do they just Tetris it in there somehow? Why not take one out and put the new one in its place so it can sit more comfortably and do its thing?
Yeah! I'll become the next human Mr. Potato Head :D
meandafantasy (1 month ago)
What about removing the thyroid gland?
masterimbecile (1 month ago)
This video reminds me of a shirt worn by a breast cancer survivor: "Yeah these are fake; my real ones just tried to kill me."
Syed Rizvi (1 month ago)
Cbd oil exists my dude
jasmine acosta (1 month ago)
This video blew my mind :0
Eugene Monotilla (1 month ago)
Tbh it felt nothing changed when I got my almost exploding appendix out.
Oscar Chiquete (1 month ago)
Totally got me with the dumping syndrome
Mera Shafie (1 month ago)
How does sulfhemoglobinemia work? What is the science behind the condition where a person develops green blood?
Elijah Alvarez (1 month ago)
**checks if this was posted on April fools**
A Person (1 month ago)
They used to make jewelry out of bulls' gallstones. Ew
khaluu2000 (1 month ago)
Without looking at the video I'm gonna guess: top 3 would be tonsils (since it's a collection of tissues i think it's fair to say it's an organ), appendix, and spleen due to inflammation or eruption that may occur, next 2 are kidney and lung are common in donations and living off one, a male/female sex organ (since I'm sure people transition all the time to different genders) by sustaining off of pills. Lastly I've heard of cholecystectomy for the gallbladder for gallstone. Those are my seven, I cant wait to see if I'm right or not
khaluu2000 (1 month ago)
Did not expect Brain or Stomach. Liver can grow back?! Welp learned something today
Wexford princess (1 month ago)
My Granddad had gallstones and right before surgery to take it out it got infected and the infection spread to his stomach and liver ,so the surgery got postponed and he was sent to hospital and heavily dosed with antibiotics and it cleared the infection from the liver and the stomach and the surgery went through ,but as soon as he stopped the antibiotics the infection came back in his stomach and he had to go back to hospital to get more antibiotics . He finally is ok and returned home last month
Sciger (1 month ago)
"Like a giant chunk of your liver..." Been there, done that. Maybe not a /giant/ chunk but I'm pretty sure 1/3 of my liver is a pretty big chunk to lose. XD Mine had a baseball sized benign tumor (focal nodular hyperplasia for you medical people) growing in it so it had to go. That and I also don't have my gallbladder and appendix. |D Gallbladder got choked off by scar tissue run amok (my entire liver is encased in the stuff, oops) so that had to go and they took out my appendix for good measure, may as well so I can avoid any emergency surgery in my future and result in even more scar tissue. Thanks body, why u go nuts on scar tissue. OTL
Marsee Leong (1 month ago)
he missed a button
BurgerLord (1 month ago)
I am going to take out all of my redundant organs and sell them. Thanks SciShow!
Sajida Assaf (1 month ago)
Thanks, I start college next year :)
Elijah hunter Nally (1 month ago)
I would just take it out and put in tech.

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