Blood, Part 1 - True Blood: Crash Course Anatomy & Physiology #29

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Now that we've talked about your blood vessels, we're going to zoom in a little closer and talk about your blood itself. We'll start by outlining the basic components of blood -- including erythrocytes, leukocytes, platelets, and plasma -- as well as the basic process of hemostasis that stops bleeding, and how antigens are responsible for the blood type that you have. By the end of this episode, you should be totally prepared for your next blood drive.

Pssst... we made flashcards to help you review the content in this episode! Find them on the free Crash Course App!

Chapters:
Introduction: Let's Talk Blood 00:00
How Blood Donation Works 2:00
Blood Components: Erythrocytes, Leukocytes, Platelets, and Plasma 3:00
Plasma - Electrolytes 3:38
Plasma Proteins 4:03
Hemostasis: How Bleeding Works 4:30
Antigens & Blood Types 6:21
Review 9:05
Credits 9:32

***

Thanks to the following Patrons for their generous monthly contributions that help keep Crash Course free for everyone forever:

Mark, Jan Schmid, Simun Niclasen, Robert Kunz, Daniel Baulig, Jason A Saslow, Eric Kitchen, Christian, Beatrice Jin, Anna-Ester Volozh, Eric Knight, Elliot Beter, Jeffrey Thompson, Ian Dundore, Stephen Lawless, Today I Found Out, James Craver, Jessica Wode, Sandra Aft, Jacob Ash, SR Foxley, Christy Huddleston, Steve Marshall, Chris Peters

--

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Pssst... we made flashcards to help you review the content in this episode! Find them on the free Crash Course App!

crashcourse
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Honestly the best page on youtube for all students around the country. And the world for the matter

nicktekula
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Passed my first anatomy class, and now you're making life easier for A&P II. We appreciate you Hank! (and team)

yesicahernandez
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Coming back to thank Hank years later. I now work in healthcare and so much of my basic knowledge I’ve learned because of this crash course. Thanks Hank!

crimbleland
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You know you're too deep into crash course when Hank starts getting more attractive as the semester goes one.

alyssawinters
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the human body is like one awesome team with a terrible captain at least for me

Daywalkerr
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Watching this is a bloody good time. Hank almost red my mind.

blackmesa
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Crash course is the best channel on YouTube for students like me. They really make things easier to understand and thank you 😊

nasrinn
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Cut appears*
Bacteria pops up: are you ready to die you cell?!?
Platelete: Hold my coagulation factor
T-cell: am I late to the party??

skizzler
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Just wanted to say thank you for your videos! I started watching your videos in 2015 when taking prereqs for my RN. Now I am graduating next week! You've helped alot with concepts.

heathercarter
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my mother was rh negative and i was her second child with rh positive, they didnt know until i was born and i had to have blood transfusions as a new born, im so glad this was so well explained, i myself had a hard time understanding and explaining this to people, you guys are the best :3 love from a positive, who still doesnt know her blood type other than it being rh positive

pereiramariana
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This channel helps me so much with my anatomy and physiology tests. Hank goes over a lot of key points that my instructor did, and he explains it a little better to be honest.

meganduckett
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Passed my first anatomy class with the help of these videos and I’m currently crushing A&P II. If you’re struggling just keep watching crash course!

aaronhughes
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CRASH COURSE YOU ARE A SERIOUS LIFE SAVER!! This channel makes anatomy interesting, easy to understand and even fun to learn. Thank you so much, this helps so much in my anatomy class.

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Thanks for helping me and all of my fellow nursing students pass A&P

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I'm guessing all the dislikes are coming from Crips

DuranmanX
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I may be 4 years late saying this... but my curiosity about my low white blood cell count lead me to your videos. Your explanations and visuals really help me understand everything. Thank you so much.

thelinsey
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This program is so awesome! Has gotten me through some tough concepts in my Ana, Phy, and Chem classes

lienia
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1:50 "... a part of you that is literally irreplaceable!"
*goosebumps* JUST AMAZING INTRO!!

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I am officially a fan ... You've acquired a new subscriber! Thank you for this great information!

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