Circulatory System and Pathway of Blood Through the Heart
3,605,173
Published 2020-08-26
Table of Contents:
00:00 Intro
0:49 Blood
2:35 The Heart, Arteries, Veins, Capillaries, and Valves
4:08 Tracing the Pathway of Blood through the Heart
5:30 What about Coronary Arteries and Veins?
6:00 Quiz Yourself on the Pathway Blood Takes!
6:34 Important Note About Complexity of Cardiac Cycle
7:01 Atrial Septal Defect: an example of a heart defect
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Special thanks to Steven Powell, CRNA for assisting us in proofing this video.
FACTUAL REFERENCES:
Clark, M. A., Douglas, M., & Choi, J. (2018). Biology 2e. Houston, TX: OpenStax. openstax.org/books/biology-2e/pages/40-2-component…
Atrial Septal Defect Information from the CDC: www.cdc.gov/ncbddd/heartdefects/atrialseptaldefect…
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FURTHER SUGGESTED READINGS:
This video mentions that hearts can have defects. Learn more from the CDC about heart defects:
www.cdc.gov/ncbddd/heartdefects/facts.html
This video doesn't go into the electrical system of the heart, but here is a good source from NIH that does!
www.nhlbi.nih.gov/health-topics/how-heart-works
Why do veins appear the color they do under the skin (when human blood is red)? This is a great read from The Conversation (a nonprofit organization that uses fact- and research-based journalism).
theconversation.com/ive-always-wondered-why-do-our…
Want do learn more about cardiologists? Here are some resources that you may find useful regarding the role of a cardiologist:
www.cardiosmart.org/topics/manage-your-care/what-i…
www.texasheart.org/heart-health/heart-information-…
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TRANSLATIONS:
Subtitulado: Tania Kobelkowsky Vidrio. Revisión: A. Romero, V. Álvarez, E. Téllez. Diplomado en traducción, ENALLT-UNAM, 2021
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All Comments (21)
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We have a resource that complements this video! Look under "Circulatory System" on the alphabetized list near the bottom of our handout page www.amoebasisters.com/handouts UPDATE: We have videos dubbed in Spanish and Portuguese using an artificial voice via aloud.area120.google.com/ to increase accessibility. See our Amoeba Sisters en Español channel www.youtube.com/channel/UC1Njo3LBy53cOPngz6ArV8Q and Amoeba Sisters em Português www.youtube.com/channel/UCYTQPX2X_mXe0ZMPi0fXxbg Want to help translate our subtitles in any language? Learn more here www.amoebasisters.com/pinkys-ed-tech-favorites/com…
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The feeling when someone manages to talk about everything my teacher has been struggling for 2 weeks to get it into us in less than 10 minutes...
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Notes: -Blood is red not blue -Blood maintains pH and temp -Transports hormones nutrients gasses -Made of plasma(liquid), cellular components (red,white blood cells & platelets) -arteries carry blood away from the heart -veins carry blood to the heart -capillaries deliver oxygen -heart: •r deoxygenated blood L oxygenated blood •atrium thin walls •ventricles thick •needs it's own blood supply •beats 100,000+ times daily •anatomic differences change blood pathway flow meaning oxygen rich/poor blood can be mixed causing complications
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I love how people keep watching even though school has barely started and they're probably not assigned to us. You're so entertaining:D
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Omg this is so weird I am literally taking Anatomy 2 right now and I was just reading all about the heart today. I was just thinking today I wish amoeba sisters would upload a video on the heart and YOU DID. You have no idea how happy I am right now. I got an A in biology because of you ❤️❤️❤️
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You know what this is the best biology channel on youtube universally
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This is the only 'pamphlet' I would never throw away after getting it.
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I’ve been having a tough time understanding how the blood moves through the heart but you explained it perfectly, thank you so much!
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I can’t believe we have access to such AMAZING videos for free!
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I suggested this channel to my biology teacher, now he always use of this drawings in his slideshows
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These drawings are incredible! Petunia you’re a genius! 4th comment, I suppose.
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Also the A looks like it points up like an arrow and V points down.
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This is the most underrated YouTube channel ever.. You guys deserve an Oscar Award for the Best Biology YouTube channel ever😩😩
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Great video, mam. I'm in 10th grade (India) and we've got this chapter- "Life Processes" in Bio and Transportation (in humans and plants) is a major part of the chapter. And this video was such an amazing summarised version of this topic- Transportation in Humans.
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I was absolutely PUMPED when I saw your new video! Also, the heart has two of my favorite words: aorta and ventricle!
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Why are there 5 dislikes when this is so educative? It took Petunia hard work and Pinky too
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This channel has come a long way.
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0:29 0:51 bld 0:58 red 1:11 veins artery’s Colours 1:36 functions bld P t o 1:52 plasma 2:03 cells RBC wbc 2:17 2:23 hemog Red 2:35 de o 2:51 ox 2:59 artery away 3:07 veins 3:14 cap 3:27 right Deo Left ox A top V bottom 4:00 valves one way Back flow no 4:17 pathway Ivc Ra Tcv Rv Pul v Pul a Lungs Lungs Pul vein La Mv(Bicv) Lv Aor v Aorta 6:39 6:48 contraction relaxation 7:17 asd Septic defect Ra/la
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I always recommend this channel to my students, is really helpful for them. Thanks so much for every job that you do.
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Seriously, you both are God's gift to biology students.
