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Blood 2, Cells, structure and function of red and white blood cells
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- čas přidán 14. 05. 2015
- Red blood cells are erythrocytes
The function of the erythrocytes is to carry oxygen from lungs to tissues and
carbon dioxide from tissues to lungs. The percentage of blood which is composed
of red cells is termed the haematocrit; this may be lowered in some forms of
anaemia. Red cells are biconcave discs. This shape provides a large surface area
for gaseous exchange and also gives the cell flexibility. Some capillaries are so
small the red cells have to squeeze through by deforming their shape. Red cells are
about 7 micrometres in diameter (i.e. 7 one thousandths of a millimetre). Every
cubic millimetre (mm3) of blood contains about 5 million red blood cells.
No editing, no cue cards and no stumbling for words. Very impressive.
Thanks, not many people notice
@@Campbellteaching yeah,,I love it
Every lecture that I listen to is so unique, elaborate and yet simple. Your passion for the subject is so contagious that it rubs off on me and I want to listen to more. Thank you
Lesson on blood cells, complex, but simple.
Love your videos! You make it so simple! I'm learning Bio-medicine at the moment and your videos are a great help!
thank you so much Dr, absoulte amazing vidz sir.
Does RBC( erythrocytes) also carry nutrients with it along with oxygen to various parts of our body? And Do they also carry excretory waste product along with carbondioxide?
@@Caroline2293xx1uRBC can carry CO2 where CO2 will combine with hemoglobin to form carboxyhaemoglobin but other waste products it cannot carry
@@Caroline2293xx1uit cannot carry nutrients
Thank you so much. It is true that its easier to master it with understanding it rather than memorizing it. It really helped! So thank you sir. I hope you have a nice day
Thank you once again for your wonderful work. I have found your CZcams lectures the most helpful of all my learning resources.
Wendy Kreck
Nice explanation, thank you, your follower, from Iraq
Can't thank you enough for these videos. I use them to refresh topics I haven't revised in a long time and which maybe aren't so important for my speciality.
This is an incredibly informative video! The information is laid out so clearly, amazing work.
This tutorial was a great help to me on my exam. Thanks very much Doctor!
Most helpful stuff (related to blood cells ) ,I came up with on CZcams....
Thnxx a lot for uploading this video!!!!!!
Your work is absolutely fabulous. ....Your a great educator
Thanks for this support Itine
You have saved my life!! Thank you so much :)
PS. also love your facial expressions haha, keep up the amazing work!
I love your simple explanation,,it is easier to understand
Thnkyou for ur valuable lessons which are very simple to understand . Thnks a lot Dr .John Campbell Sir
Thank you very much for your lessons. They are very well explained. They helped me greatly in my Histology exam revision!
Thanks for making my studies easier. The clips are just awesome 👌
This is so Informative.. Thanks...
Thank you so much for the clearest explanation and simple scheme.
Am understanding Anatomy of the blood ..💗thanks alot sir
Thank you for your videos, you have helped me so much throughout nursing school .
I’m very thankful 😊 Dr. John to you.. the lectures you make is vey interesting and full of golden information and hopefully 🙏🏻 will help us to understand and answer questions and apply them on our daily basis
may God award you in abundance because you really teach
thank-you sir ... I like your explanation it's much easier for me to understand about erythrocytes and leucocytes....GBU sir
Mr Bio Companion is best channel of biology students
Dr john Campbell you deserve lot of compliments for your aim to create awareness amongst masses thanks 21/08/2021
Tb best thing of your clases is the simple way that you explain magnificant thing, and that can demostrate your inteliggence and medicine pasion,
Brilliant! Keep up the amazing work, well explained and very simple to digest.
Thank you so much for the simple yet sufficient information!!
thank you so much doctor it's amazing i see a big effort in this lesson keep the good work👍
Thank you so much, this is very helpful lesson
Thank you somuch for the great explanation.. Sir
Very helpful, thank you Doctor, AMAZAING.
Thank you it's good lesson
Thanks so much for your lecture
Really great
nice lecture ever I had 😊
I didn't learned In medical school more than your lectures even less than you
Very simple and informative ..Thank you. Really summarize my readings
Very informative. Thank you so much. Isn't the body absolutely amazing?
Thankyou so much Sir..U helped me alot!!!!!
You are genius ❤
Thank you it’s a very good explanation.
Sir i am reading lab technology , so this class is so much important for me , thank you so much for such wonderful explanation ❤ 😘 😍
Very clear, concise explanations. Thanks a lot!!
thank you very much
Thank you so much sir...... You helped a lot to solve all my doubts regarding this topic thank you so much🙏
Great job!
Thank you so much dear sir because of you I am able to learn ..🙏
Thank you so much Sir...
Im from Iraq
Im say you good doctor
Thank's
thank you for this... this is a great help! I am a biology teacher 😊
God bless you, Dr. Campbell!:)
Amazing video
Thank you so much for your videos Sir, very helpful.
This might be over my head. Im curious what they construct in the body? Oxygen what else?
Thanks a lot sir
Thank you
thanks a lot Dr Campbell
Thanks doc
very emportent cells blood enformion sir
Excellent! Are you teaching about humoral immunity
Are natural killer cells rappresented by Cd56 ? Can Nk class switch with Ige/iga production ?
i didn't know that thrombocytes fall under the classification of white blood cells (leucocytes)......or when you refer to them as agranulocyctes are you referring to the fact that they lack granules?? I'm completely lost here. HELP! 😟
I always classify platelets as white cell fragments, they derive from large cells called megakaryocytic.
Thank you Dr John. I have a question to ask you. I was told pregnancy lowers blood pressure. How does it lower the blood pressure
STILL AMAZING
thanks and may god bless u
Really I appreciate.Anatomy is becoming simple. But doctor assist us in muscular and skeletal system. It seems hard in our class. God bless you doctor.
Hi sir, I'm glad you bring that subject. I had COVID then five months later my white blood cells count is low. So, does COVID has something to do with that?
LOVE IT!!!
SUPER!!!!!!!
Plasma cells and plasma in the bloodstream are completely different, correct?
What are the roles NUCLEOTIDES, OLIGOPEPTIDES AND AMINO ACIDS on these cells?
Thank u so much.
am I mistaken or you have written one of the Campbell biology text books?
Yes, the Physiology Notes and the Pathophysiology Notes books, have you read them?
Yes I have sir, and they've been very much helpful thanks to u. I'm doing my second year in bachelor of medical sciences, majoring with Physiology and the whole time I've been using ur notes. Pitty I just found out u also have CZcams acount, I've been using other unhelpful CZcams videos.
All good, which country are you in?
@@Campbellteaching I'm from South Africa sir.
Interesting, I have never been there, Im in the North of England (no one calles me sir, its not allowed).
I am sorry but you need to explain which organ produces the red blood cells and white blood cells. but your lecture is accurate but it is yet incomplete you get a C - for your efforts.
thank you
Thank you!
Sir you grouped thrombocytes under white blood cells?
Please what is the function of the thrombocyte in the Agranulocyte
Thank u soooo much
Are (platelets)thrompocytes belong to white blood cells?
No! They are totally different! Leukocytes are the white cells with immunity function and the platelets are cell fragments with coagulation role.
Please can u tell me what website can I search for understanding neoplasia plz
cheers !
Sir platelets is not a type of wbc
Agranulucytes are monocytes n lymphocytes .correct me if i m wrong
Platelets are derived from megakaryocytic, which I guess are a form of white cell, even if only present in the bone marrow.
Name the parts and function
Love u
my lecturer told me that platelets are NOT thrombocytes, and that calling them thrombocytes is incorrect...?
our lecturer taught us thrombocytes
Thrombocytes is the proper term but they are, in fact, platelets. It is just an alternative name for the same thing.
physio 4
Sir translate in Hindi language please sir
That was really really really helpful doctor.thanks a lot🥲💙
nice lecture ever I had 😊