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Amoeba Sisters

Amoeba Sisters

2,890,000 subscribers

⏱ 👁 4,250,373 views

Immune System

Video Overview & Insights

Explore the basics about the immune system with The Amoeba Sisters! This video talks about the three lines of defense and also compares cell-mediated response with the humoral response.

“

The day before the world ended (3/12/2020)

— @owenfromlaststream

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Factual References:

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The immune system is so complex, it deserves a full on podcast deep dive on its own. Luckily for all of you viewers; my channel drops that exact one podcast tomorrow (Friday 12th June 2026 ;)). And of course I highly encourage you to also keep supporting the amoeba sisters!!! Great content! Have watched it during biology classes many times :)

— @TheKrustyLab

Clark, M. A., Douglas, M., & Choi, J. (2018). Biology 2e. Houston, TX: Biology Stax. https://openstax.org/details/books/biology-2e

Reece, J. B., & Campbell, N. A. (2011). Campbell biology. Boston: Benjamin Cummings / Pearson.

“

7:52 the Memory T Cell doing that to the Cytotoxic T-Cell looks like minato vs obito, search it up on youtube or crunchyroll

— @HarDusDM

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Further Reading Suggestions:

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petition to replace Mcgraw hill with Amoeba Sisters

— @PeterSantosTraining

Discover many other types of white blood cells here! https://openstax.org/books/biology-2e/pages/42-1-innate-immune-response

More about antibody classes? https://openstax.org/books/biology-2e/pages/42-3-antibodies

“

hey thankyou sooooooooooooooooooo much

— @hooaam717

More detail about the cell-mediated and humoral response? https://openstax.org/books/biology-2e/pages/42-2-adaptive-immune-response

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“

6 year later and helping me get through my exams

— @I.ins1de

The Amoeba Sisters videos demystify science with humor and relevance. The videos center on Pinky's certification and experience in teaching biology at the high school level. Amoeba Sisters videos only cover concepts that Pinky is certified to teach, and they focus on her specialty: secondary life science. Learn more about our videos here: https://www.amoebasisters.com/our-videos

⭐ Our Linktree: https://linktr.ee/amoebasisters

“

To my immune system in my body. Thank you for your service!

— @xDshiv58

❤️ Support Us? https://www.amoebasisters.com/support-us

🗂️ Resources that complement our videos! Visit https://docs.google.com/spreadsheets/d/1b3kmAzFEjWgoMKCrkeNCKFYunWk04IuLY93jI4OY0gY/edit?usp=sharing

“

Amazing, as always! Thank you sooo much!

— @CamilaCampos-n5z

Biology Video Playlist: https://www.youtube.com/playlist?list=PLwL0Myd7Dk1F0iQPGrjehze3eDpco1eVz

TIPS FOR VIEWING EDU YOUTUBE VIDEOS:

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Watching this channels video since 4th grade :3, in the present I’m studying for my biology class of 8th grade

— @Haihainan4

Want to learn tips for viewing edu YouTube videos including changing the speed, language, viewing the transcript, etc? https://www.amoebasisters.com/pinkys-ed-tech-favorites/10-youtube-tips-from-an-edu-youtuber-duo

MUSIC:

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I thought that T- cells did not have a memory.

— @ShenickaAllen-k1b

Our intro music designed and performed by Jeremiah Cheshire.

End music in this video is listed free to use/no attribution required from the YouTube audio library https://www.youtube.com/audiolibrary/music?feature=blog

“

WOW! i love this video!! wow!!

— @Sophia-tw6gk

COMMUNITY:

We take pride in our AWESOME community, and we welcome feedback and discussion. However, please remember that this is an education channel. See YouTube's community guidelines and how YouTube handles comments that are reported by the community. We also reserve the right to remove comments.

“

I like your videos they are so much fun to watch. thx for your funny effort.

— @AmalsSpring

TRANSLATIONS:

Thank you for those that have translated the subtitles!!

“

I remember telling a friend about the inmune system in fourth grade and he said that it didnt exist,like,dude,i even explained by detail most of it and he still didnt believe me,and he didnt want to go ask the teacher because he probably knew it was true

— @YTqwetz

German subtitles translated by Laura Bilinson.

Romanian subtitles translated by Proseanchin Tudor-Ioan.

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I can’t believe how helpful this was, amazing job!

— @AlexPierre-x7r

Indonesian subtitles translated by Hanifah Yumna.

Some translated subtitles on our videos were translated by the community using YouTube's community-contributed subtitle feature. After the feature was discontinued by YouTube, we have another option for submitting translated subtitles here: https://www.amoebasisters.com/pinkys-ed-tech-favorites/community-contributed-subtitles We want to thank our amazing community for the generosity of their time in continuing to create translated subtitles. If you have a concern about community contributed contributions, please contact us.

“

Your contents are awesome 🤍🧿

— @hemakalaiarasi6711

We have an authorized channel with our videos dubbed in Spanish here

https://www.youtube.com/channel/UC1Njo3LBy53cOPngz6ArV8Q

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Not only was this hilarious but super helpful and informative

— @krystenrice1406

More User Perspectives

@

Nice !
But make these a bit short

@MalikAaban-w8m
@

8:12 You look familiar.... Oh its u ... B-CELL! ITS HERE

@zaeem-v5t
@

Is this only me or her accent change after one line?

@sabeenyounus3068
@

kesini karena bu kirana

@keanu1285
@

I've seen you in science class.

@RoyScott-d9w
@

I was wondering what the complement factors are, though?

@dzxh
@

I study a lot by you AMOEBA SISTERS❤❤❤❤🎉🎉🎉🎉🎉

@jawa4283
@

complements to the amoeba sisters and this video is very good

@ShellyHuang-ec4oo
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The more complex it is the more proof of God because complexity is the opposite of chance and chaos am I wrong? Or is using common sense illegal now?

@hendrixcoulahan755
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Who here believes that chance and chaos created the human body WITH these defensive measures? Because if you do then you need to learn what chance and chaos means 🤦‍♂️ GOD IS REAL! CLEAR EVIDENCE RIGHT HERE IN FRONT OF YOUR EYES OPEN THEM

@hendrixcoulahan755
@

67! big 2025

@kirisombutsiri2649
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It's one of the most fascinating indeed!!

@AbShami-K
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i overslept and now im here watching this video trying to take in all of the info for my bio exam tmr😓

@GracieTails
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After studying the immune system all day and rewatching this video, I understand now

@wildndetroit
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Im still confused 😕

@wildndetroit
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anyone in 2025?

@christiansamson4187
@

YMCA

@BrendaMendoza-j2s
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Funny and helpful 🥰🥰🥰🥰🥰 you guys are just AMAZING!!!!!!

@POP.POP.C.O.V.E.R
@

Funny and helpful 🥰🥰🥰🥰🥰 you guys are just AMAZING!!!!!!

@POP.POP.C.O.V.E.R
@

I'm a dentistry student here in Brazil! Your videos helped me a lot! Thank you very much! 😊

@nicolesutt4108
@

Wow

@Idkwhaturdion
@

Here for an assignment -

@soamAZIN-g6f
@

This is so funny 🤣

@radstrength4567
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Microbiology exam tomorrow, hope this helps

@notCynicalReally
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My favorite video thus far. The animation is just adorable, and really helps me absorb the information.

@MountainMomma11
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❤

@ameslynne6540
@

my favorite channel

@UncleAmoeba
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I love how derpy the macrophage look

@loretta9117
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THANK YOU VERY VERY MUCHA

@TheOnlyZackshadyK98
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You guys rock!! Explain everything so well and the cartoons help lol thank you! You should be the ones explaining vaccines to people!!

@arielm3146
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this is better thanfreescience lessons

@fastmushroom902
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baller

@pastaaaaaaaaaaaaaaaaaaaaaa
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6:05

@STARSST4RS4L1FE
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😂😂😂😂😂😂😂

@myungheekim-cl5fu