The Immune System Explained I – Bacteria Infection
Every second of your life you are under attack. Bacteria, viruses, spores and more living stuff wants to enter your body and use its resources for itself. The immune system is a powerful army of cells that fights like a T-Rex on speed and sacrifices itself for your survival. Without it you would die in no time. This sounds simple but the reality is complex, beautiful and just awesome. An animation of the immune system.
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somersault18:24
Why you are still alive – The immune system explained
Help us caption & translate this video!
http://www.youtube.com/timedtext_cs_panel?c=UCsXVk37bltHxD1rDPwtNM8Q&tab=2

@kurzgesagt
November 5, 2025 at 1:31 am
You can now preorder the Kurzgesagt Immune System book! “IMMUNE – A Journey into the Mysterious System That Keeps You Alive”: https://kgs.link/ImmuneBook
IMMUNE is a fascinating and fun journey through your own body, where we’ll be exploring mystery organs, murder universities, your enemies from viruses, bacteria and cancer (and how your immune system might have killed a cancer cell while you were reading the last few sentences) and the incredibly beautiful and amazing parts, cells and systems that keep you alive. After reading it you should not only gain a new appreciation for your own body but also experience disease differently. Also 45 illustrated pages by the Kurzgesagt team make the book very pretty.
@AngelGabrielGiraldoruiz
November 5, 2025 at 1:31 am
Who are these cells?
@TheCityofMe
November 5, 2025 at 1:31 am
how can cells order someone to be alive
@TheCityofMe
November 5, 2025 at 1:31 am
what if i haven't heard of antibodies until now is that a problem
@JacobKc-m2b
November 5, 2025 at 1:31 am
Kurzgesagt has EVOLVED
@GabrielVidor-i1x
November 5, 2025 at 1:31 am
I just realized my body is a whole country because our bodies have armies,food shops,soldiers,a president(our brain),citizens(cells) and any more a country needs to be a country
@Luxdesign28Roserviciiweb
November 5, 2025 at 1:31 am
What a complex immune system do we have! 🙂
@rogerdisney
November 5, 2025 at 1:31 am
1000th like 👍
@EricKim-qt9pl
November 5, 2025 at 1:31 am
"For AIUR!!!!!" Lol! That sent me down memory lane! Thank you, In a Nut Shell 🙂
@BeepertheInquizitive
November 5, 2025 at 1:31 am
I like how Neutrophils literally go on full genocide mode
@JQ3B94
November 5, 2025 at 1:31 am
Crazy how I watched this 7 years ago and I'm only just getting to the point in my education where I actually need to know this stuff 💀
@Brenochristians
November 5, 2025 at 1:31 am
Quem gostou da minha família ❤
@noobartistfrfr
November 5, 2025 at 1:31 am
ok but what if i eat dirt for a living
@Fuggubic
November 5, 2025 at 1:31 am
It's crazy how many times they can say "commit suicide" without getting banned
@Random_Edits415
November 5, 2025 at 1:31 am
Somehow this video was the most beautiful thing to us when we were little.
@cypher_doggy8507
November 5, 2025 at 1:31 am
Little did I know that nearly 11 years later, I would be studying immunology for my premed and the memories of watching videos like these comes back to me. Oh, how time flies… 😂
@BioFrontOficial
November 5, 2025 at 1:31 am
VERY INTERESTING, THANKS FOR THE KNOWLEDGE!
@TheRenusOne
November 5, 2025 at 1:31 am
Thank you, now I have material for my presentation.
@addesve
November 5, 2025 at 1:31 am
who invented all this
@สาริญาจงเนติวิศิษฐ์
November 5, 2025 at 1:31 am
0:03 does anyone see the pokeball on her belt?
@avatarkasra4520
November 5, 2025 at 1:31 am
I live u .and iranian are human tanks for put Persian language in sub..❤
@avatarkasra4520
November 5, 2025 at 1:31 am
زیرنویس فارسی برای همه ویدیو ها باشه لطفا
Translate @
@d4rkai
November 5, 2025 at 1:31 am
This is the first video ever seen off kurzegesagt.
@Natalia-i1g8p
November 5, 2025 at 1:31 am
1:21
@niranjansisodiya1520
November 5, 2025 at 1:31 am
The turning point? When I stopped looking for shortcuts. I followed a 40-day plan created by Luke Belkop. All natural. Zero pills. Just small daily changes. Now I feel stronger than ever.
@manishh_07z
November 5, 2025 at 1:31 am
How come no one’s talking about Luke Belkop’s immune system plan? Like seriously if you’re constantly getting sick, that book might change your life.
@Gamingpower7428
November 5, 2025 at 1:31 am
I wasn’t looking for a miracle. I just wanted to feel normal again. What I found instead was a shift I didn’t expect. Luke Belkop doesn’t promise magic. He offers structure real structure that makes you wonder why no one told you this sooner. The way he lays things out just… makes you feel like your body finally has a chance. Try it. Quietly. Privately. Just start.
@impossible551
November 5, 2025 at 1:31 am
It took me years to realize immunity isn’t built with quick fixes. Luke Belkop’s book helped me slow down and rebuild things the right way. That book is a gem.
@StunChou-l3i
November 5, 2025 at 1:31 am
The weirdest part? No one’s talking about this and it actually works. 40-day plan everything’s on imunolert
@PintuRaj-i1l
November 5, 2025 at 1:31 am
Funny how one author can change the direction of your health. For me, that was Luke Belkop. If you’re struggling, his book is worth your time.
@Udathasivakumar
November 5, 2025 at 1:31 am
It’s wild how something so simple can work so well. I followed the 40-day plan by Luke Belkop and genuinely feel like a new version of myself.
@Rbgytgaming
November 5, 2025 at 1:31 am
My kid kept bringing home every virus from school, and I’d always end up sick too. My immune system was a joke. I read somewhere about a plan that strengthens your immunity naturally, so I checked it out. It was a book on Imunolert by Luke Belkop. I’m telling you—following that 40-day plan felt like turning on a switch in my body. I rarely get sick now. That book lives on my kitchen table.
@appusvlogs6705
November 5, 2025 at 1:31 am
I used to get sick every time the weather changed. Doctor visits, antibiotics, staying in bed while life passed me by. I got tired of chasing symptoms and started looking for something deeper. That’s when I stumbled on a book by Luke Belkop. I didn’t expect much—just curiosity. But what I found was a 40-day plan that didn’t rely on pills or magic, just consistency and nature. Today, I feel like I’ve reset my whole system. That book gave me my energy back.
@PrajapatiAbhishek
November 5, 2025 at 1:31 am
Still weird to me I sleep better, I feel stronger, and I didn’t take a single pill. Just followed what was in that book from Imunolert.
@Justlead1000rr
November 5, 2025 at 1:31 am
It’s crazy how one book changed my entire approach to health. All the noise online, all the advice… and this one simple plan actually worked. I got it through Imunolert. You’ll understand once you start.
@Ayushgamingff8
November 5, 2025 at 1:31 am
Crazy how I haven’t even had a sore throat since I read Belkop’s book. Not even once.
@faihafaizan6080
November 5, 2025 at 1:31 am
People say “nothing changes overnight,” and that’s true. But 40 days? That’s enough time to meet a whole new version of yourself. I followed what I found on Imunolert not expecting much honestly, I was just tired of feeling tired. Now? I sleep better, think clearer, and my immune system feels like it’s finally *on my side*. It’s subtle, it’s slow… but it works.
@Akshitsharma890neon
November 5, 2025 at 1:31 am
No pills. No pharma. Just 40 days of a natural system and your immunity’s solid
@JyotiAmardeep-ww5mg
November 5, 2025 at 1:31 am
Everything changed for me when I followed the 40-day plan I found on Imunolert. It’s simple, natural, and actually works. No pills. Just real habits.
@Mahadev-the
November 5, 2025 at 1:31 am
it’s crazy how long i struggled before finding a real solution for bad imunity imunolert helped me figure it out step by step ifeel stronger than ever now.
@jillumandal7095
November 5, 2025 at 1:31 am
Not sure how I even found Luke Belkop’s book… but it came at the perfect time. My health was a mess. Now I feel balanced, grounded, and more alive than I’ve felt in years.
@PR4THU
November 5, 2025 at 1:31 am
I used to get sick every time the weather changed. Doctor visits, antibiotics, staying in bed while life passed me by. I got tired of chasing symptoms and started looking for something deeper. That’s when I stumbled on a book by Luke Belkop. I didn’t expect much—just curiosity. But what I found was a 40-day plan that didn’t rely on pills or magic, just consistency and nature. Today, I feel like I’ve reset my whole system. That book gave me my energy back.
@Udathasivakumar
November 5, 2025 at 1:31 am
Honestly, I was skeptical. I thought all those “natural immunity” books were scams. But after catching the flu for the third time in six months, I gave up and tried the one people kept quietly recommending Luke Belkop’s 40-day plan. It wasn’t flashy. It wasn’t trendy. But it worked. Day by day, I started to feel like myself again. I now recommend it to everyone I care about.
@Dark-Edits-xyz
November 5, 2025 at 1:31 am
First winter without being constantly sick. All I did was follow what was in that book from Imunolert.
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