
Audio Transcript Auto-generated
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Hey, guys, back again.
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So this is the immune system full of charge, so
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I'm zooming in on it.
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You can kind of see what it is kind of
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awesome. Atticus, I've been messing around there, so excuse me
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if I'm still out of figuring stuff out, but the
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immune system is divided up into two parts.
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We have the innate and then we have the adaptive
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D N A is what you're born with.
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Remember, this is worth in 24 hours, seven days a
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week. Ever since you were born, come out your mom's
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womb. It's work.
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Okay, be adaptive is what you're going to develop over
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your lifetime.
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That's why when the flu vaccines come out, they push
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for people that are elderly and people that are younger
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to get the flu vaccine because elderly, your immune system
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starting to decline.
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And when you're young, you're still building up your immune
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system. Right now, you guys prime of your life, your
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immune system function great unless you have an underlying autoimmune
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issue or compromised immune system.
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So, in eight, let's focus with this guy.
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And if you guys noticed, I know the colors aren't
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that great, but immune systems and black adaptive in a
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Nate or both in green because they're on the same
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level. Okay, then we have blue because they're all listening
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level and then read.
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Those were the kind of the most specific parts on
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that we're gonna be talking about.
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I'm so in eight.
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Focus on an eight, Robert.
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So we have four kind of main branches of innate.
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We have physical barriers, sells chemical mediators and inflammatory response.
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Okay, so remember, inflammatory response.
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We always want some type of inflammatory response because of
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the vast A violation when it rushes more white blood
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cells and red blood cells to that area.
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So make sure that we're healing and getting everything as
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quickly as possible.
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Too much swelling, though, is not a good thing.
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So our body always kinda has to play that seesaw
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teeter totter, whatever we want to call it about making
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sure it's just enough, but not too much a chemical
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Mediators. These are just chemicals in our body that we
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have that either flag things down.
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Mark sells for being eaten by anger aside, um, or
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alert surrounding cells to be on guard K or call
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cells into that area.
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This sells themselves.
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We have a lot of different types of white blood
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cells that we're gonna talk about.
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And we're gonna go more in de cel in the
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next lecture, which is sells about the immune system, which
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I will be recording shortly after this and the last
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Not least, we have physical barriers.
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Physical barrier Should the things that we could actually kind
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of see and touch and interact with.
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So let's start with the physical barriers and talk and
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go from them Skin.
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Biggest physical barrier.
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It is your first line of defense defense who I
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can talk gay tears again that opening into our eyes
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that I does lead into our internal cranial cavity.
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Right. Remember that optical nerve running from back that I
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down at the bottom of the frontal lobe in do
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the occipital lobe in the back?
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Saliva like you talked about, has that license I'm in.
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It kills the bacteria because again, anything that we're taking
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outside, but inside, you want to make sure protecting ourselves
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Urine urine is very acidic.
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Okay. Uh, we'll talk more about urine and the urethra
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and how it keeps bacteria out.
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A male Yuri threats are longer than female Yuri throws.
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And because of that, that's reason wife females typically have
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a higher rate of beauty.
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I, um urinary tract infections than males do.
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Although males could still get a u.
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T. I.
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It is possible unless Annalise is that mucus that because
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that traps things and make sure that nothing come against
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in pastor nasal cavity Positive, bro.
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All the inside provide so quick we're gonna focus on
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those cells.
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Now we have neutrophils macrophage Asians.
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Basil fills mass settles any sound.
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Aviles, we're gonna get more and death what each one
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of these do.
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But these are all settles that are constantly working in
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your body at all times.
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They're hanging out in different tissues in different areas.
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Um, and basically just making sure there watching.
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And they're on a look out to see if there's
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anything Floren that's in our body.
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That's nobody.
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Now come full mediators do you out a little bit.
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Chemical mediators, we have interference.
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We have interfere on one and interfere on two.
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Those guys are mainly used with, uh, our lymphocytes, and
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we're gonna talk more in depth again when we get
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to the cells about the interview rooms.
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Um, but basically, they're kind of attract shells to the
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area that's interfering one and interfere on to basically tells
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themselves like Okay, is def con five plug status locked
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down yourselves?
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Children place.
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Kind of like what they're telling us right now to
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dio with a Corona virus history.
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We talked about histamine.
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That's that love.
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Lovely vaso dilation.
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Also quickly bling for allergies.
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We hate histamine.
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That's why when you have allergies, you take anti history
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means get We also use this mean in the inflammatory
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response. And then last design, as I talked about earlier
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in the sly vessel, is tears that helps kill any
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bacteria is that could possibly be going into our body.
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So all four of those are in h.
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These guys were working all the time, Okay?
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They're not going anywhere now, Adaptive One that we develop
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over Lifetime.
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We have two problems to this.
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We have antibody mediated, and we have cell mediated.
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So antibody mediated is done by the B cells that
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we have those b lymphocytes.
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Uh, So what they do is they mass produce anti
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vise. What the antibodies jobs are as they have to
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go out and they search for the passage.
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So whatever pathogen it is, virus, bacterial, micro, whatever it
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goes and basically and here's all over the passages, the
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pathogen can't get into ourselves also as the antibodies and
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here to the pathogen, they also start releasing signals like
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smoke signals to CO to tell Mac provisions and other
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fag acidic cells.
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Hey, this is the pathogen.
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Come hear us, Okay?
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And it causes the cells to go and target those
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digits. The cell mediated is when we actually have cells
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or different T cells.
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And there's different types of T cells will get again.
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Get more into that when we talk about that in
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the next lecture.
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Uh, but the T cells actually will go and physically
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kill this cells that have been infected.
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So they basically go, and they're like, Hey, you've been
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infected. You must have Okay, because remember the bacteria and
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viruses around the videos that you guys should watch again.
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If you have not watched some, please go back to
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make sure you do, um, that the bacteria viruses actually
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go into ourselves to replicate and have kind of a
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safe space in order to produce more of themselves to
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live and conquer.
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That's their goal again.
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Short, simple flow chart.
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This is a really important flow chart to remember, cause
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on our lovely test, when we all come back together,
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this might be a fill in the blank for your
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flow charts we believe does judge.
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Okay, s.
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So it's important to kind of remember how this system
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works and how all these things are connected, because this
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will probably be a fill in the blank on your
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guest. All right.
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Hope you guys just And how do you stand?
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Warm clothes have been Iranian justly outside.
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Uh, hope you guys are having a good time again.
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Questions, comments, concerns.
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Please email me.
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I'm trying to stay up to date with everything, making
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sure everything's linked directly on the website.
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If you find something that's not linked correctly, please let
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me knows that I can fix it s a t.
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Uh huh.
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And again, we're gonna be having a discussion question on
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Friday that I posed for you guys to start doing
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your research on the Corona virus.
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Please make sure again that they are reliable source issues.
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I don't need headlines from Twitter or inside or can't
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talk. I love washing guys take shot dances in class,
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but need reliable sources.
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OK, so make sure that you guys were checking things
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like the CDC website, The who World Health Organization website.
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Um, anything ending in dot gov is usually pretty good
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as well.
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Um, and do some research because there's some interesting developments
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that are happening in our local area around us.
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I talk to you later.