Search Results: "Antigen"

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11:33
Professional Antigen Presenting Cells (APC) and MHC II complexes

507 views / 0 likes - added 9 years ago

How professional antigen presenting cells present parts of engulfed pathogens on MHC II complexes (major histocompatibility complexes). More free lessons at: http://www.khanacademy.org/video?v=j_kSmmEpvQk
10:07
Cytotoxic T Cells

568 views / 0 likes - added 9 years ago

How cytotoxic T cells get activated by MHC-I/antigen complexes and then proceed to kill infected cells More free lessons at: http://www.khanacademy.org/video?v=oqI4skjr6lQ
06:41
The Case for LESS Sensitive COVID Tests

284 views / 0 likes - added 3 years ago

Thanks to Brilliant for sponsoring this video - the first 200 people to click on https://www.brilliant.org/MinutePhysics will get 20% off a Premium subscription to Brilliant.This video written & produced in collaboration with Aatish Bhatia, https://www.aa
03:56
What are Blood Types? Can Science Create Universal Donor Blood From Other Types?

45 views / 0 likes - added 4 months ago

What are blood types? In this episode we explore blood type classifications and how scientists are working to create type O negative blood - aka universal donor blood - from other types such as type A+. Learn how!TRY IT YOURSELFhttps://www.redcross.org/gi
09:20 Popular
Lymphatic System: Crash Course A&P #44

1,688 views / 0 likes - added 8 years ago

Today Hank explains your unsung lymphatic system and how it supports cardiovascular function by collecting, filtering, and returning interstitial fluid back into the bloodstream via a system of lymphatic vessels. He also explains the system’s major role i
07:14 Popular
Why Do We Have Blood Types?

1,075 views / 0 likes - added 4 years ago

A, B, AB, O: What exactly do the different blood types mean and how are they inherited? When it comes to understanding blood types, Patricks got you covered. Subscribe to Seeker! http://bit.ly/subscribeseeker Watch more Human! http://bit.ly/HUMANplaylist
07:25 Popular
Could You Be Immune To Everything?

1,215 views / 0 likes - added 6 years ago

You can learn more at https://curiositystream.com/smart Don’t miss our next video! SUBSCRIBE! ►► http://bit.ly/iotbs_sub ↓↓↓ More info and sources below ↓↓↓ **We said 30 days free, but CuriosityStream is feeling extra generous and is giving our viewers th
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15:02 Popular
Your Immune System: Natural Born Killer - Crash Course Biology #32

914 views / 0 likes - added 9 years ago

Hank tells us about the team of deadly ninja assassins that is tasked with protecting our bodies from all the bad guys that want to kill us - also known as our immune system. Crash Course Biology is now available on DVD! http://dft.ba/-8bCC Like CrashCour
04:54
How Your Digestive System Fights Pathogens

552 views / 0 likes - added 3 years ago

Our digestive system does a lot more than just break down food for us. It actually has a role in our immunity. In this episode, Patrick explores how immune system checkpoints within the digestive tract protect us from pathogens. Subscribe to Seeker! http:
04:52 Popular
The Science Of Hay Fever... Are Parasitic Worms The Cure?

784 views / 0 likes - added 8 years ago

Hay fever has an awful habit of ruining what should be the nicest time of the year. But what is it? And why is it called ‘hay fever’? Kate explores the science of allergies, and hunts through the research for a cure. Subscribe for more from Kate: http://b

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