The Composition and Function of Blood

Of course we all know what blood is, and everyone has had at least a minor injury involving blood. But what is it exactly? What's it made of? What does it do? Why do we die if we lose enough of it? Let's check out each component of blood now, on both the cellular and molecular level!
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Hey Professor Dave! Just wanted to thank you for the videos. It's really nice to have a single channel that explains a whole lot of stuff! I personally enjoy learning about a variety of things, so when I'm a bit tired of one specific topic I go read about geography, or biology, or something else. It's nice to learn by reading but it's even better hearing someone who understands the stuff explain it, so thanks! "But what is it exactly? What's it made of? What does it do?" that's legit me earlier today in the bathroom trying to remember what Van der Waals force is haha

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[@fredbeutler3130]

This is very interesting. I liked your concise description of the different components of blood.

[@jl2599]

You made an overwhelming chapter so simple and easy. Great explanation and to the point. Thanks

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By far Theeee Best blood histology Video on KZbin hands down 🙌🙌🙌

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Great! Very informative and easy to understand!

[@michaelpisciarino5348]

0:09 Blood 0:45 Blood is considered a *Connective Tissue* 0:57 Formed elements suspended in plasma. Put it in a Centrifuge, and it’s parts can be seen. 1:10 Red Blood Cells= Erythrocytes Platelets And White Blood Cells= Buffy Coat Plasma= Plasma 1:32 Blood transports Oxygen, nutrients, hormones, and Carbon Dioxide 2:00 + Regulates Ph + Maintain body temperature + Prevent infection 2:11 Plasma Erythrocytes 3:10 The Red Blood Cell 3:38 Hemoglobin

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4:06 One thing I emphasize to my MCAT students is that there is a difference between oxygen molecules and oxygen atoms. Oxygen is diatomic in gaseous form so hemoglobin contains 4 oxygen molecules (O2) but 8 oxygen atoms (O).

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Excellent explanation. Thank you .

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Thank you so much you explained this information so well. I was getting excited because it was all coming together in mind. Please continue to provide such great content.

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I want to make a game with my own spin on the concept of “what if the human body was just a little place with a bunch of little guys in it” focusing mainly on blood cells. This video is incredibly helpful to me in my endeavors, and it is also simply very nice to be able to learn more about anatomy. Thank you, Professor Dave! :-)

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Easy way to learn.Short and effective.

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it took you 12 hours? really

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I know was made three years ago but why is it when you get scratched it starts to itch a bit? and thanks for the video I learned a lot from this

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the extensions of the megokaryocyte does not burst of the sheer force rips the cytoplasmic extensions along with some of the megokaryocyte's organelles and vesicles and thus a platelet is made

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