*Sound is reversed* First sound is when T and M valve close "ventricles contract" (pumping to the body) Second sound is when the PA and SA valve close "ventricles expand" (blood filling ventricles) Think about it like this: After the lub dub, blood is filling the ventricle while gathering "energy" to pump the blood throughout the whole body. Happy studying!
Excellent visual animation how the heart beats and papillary muscles synchronize. i was learning about ruptured chordae tendinae and just watching this everything make sense, thank you.
great video, this will help with my biology project. But with the speakers on my laptop going funny lately, the video gives me humour as well as knowledge!
Hi, i was wondering if this video incorrectly depicts the closing of valves timed to the 'lub' dub sound. It seems the Atrioventricular valves close during the 'dub' in this video.
Great animation, but unfortunately the sounds are around the wrong way. The "Lub" should be the atrioventricular valves closing and the "dub" should be the Semi-lunar valves closing. *Flies away*
Please clarify my confusion. For you S1 sound, the "lub", your animation shows that being the sound of the aortic and valve closing and the S2, or "dub" being the mitral and tricuspid valve closing. Isn't it the other way around?
Be thankful there isn't a physiologist out there who went on to become an architect. Woe be tide anyone who asks that person to construct an atrium into their home.
Can someone who knows tell me if I'm right. Before watching this video I thought veins were blood vessels that both take blood to the heart and carry de-oxygenated blood and arteries were blood vessels that both take blood away from the heart and carry oxygenated blood. So when I heard the pulmonary ARTERY carries de-oxygenated blood away from the heart and the pulmonary VEINS carries oxygenated blood to the heart, I was a little confused. So is it that a vein simply carries blood to the heart and arteries carry blood away from the heart, nothing more?
Is it just me, or are S1 and S2 mixed up... I'm hearing S1(lub) and seeing the semilunar valves closing... that isn't anatomically correct. S1 = systole = SL valves open during ventricular ejection. Otherwise a really good video.
the sound doesn't look like it matches the valve action?? shouldn't the first sound (lub) be the sound of mitral and tricuspid closing and the second sound (dub) be the semilunar valves closing?
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This video helped me understand in 1 minute what took my teacher 30 minutes to explain.
LOL hahahahaha
This video is ridiculously amazing..NO teachers can make this clearer! Short and straight to the point. Damn!
Perfect straight to the point
Thank you for keeping it simple and showing the steps simply!
Great video!
Simple and just what I needed!
As a CHF patient, this is hugely helpful to understand the blood flow and pumping functions of the heart. Thanks.
Thanks! This was really helpful for my test tomorrow.
Rachel Shen you passed? This should help you just said it helps
Nursing school confused me. They made it complicated. With this simple video, I will never forget.
Taking A&P II and was hoping to find an animation on a pumping heart. This is perfect!
Taking an EMT course and this made understanding the heart SO much easier! Thanks.
*Sound is reversed*
First sound is when T and M valve close "ventricles contract" (pumping to the body)
Second sound is when the PA and SA valve close "ventricles expand" (blood filling ventricles)
Think about it like this:
After the lub dub, blood is filling the ventricle while gathering "energy" to pump the blood throughout the whole body.
Happy studying!
By far the best video I've come across. Thank you so much! It was super helpful!
Excellent visual animation how the heart beats and papillary muscles synchronize. i was learning about ruptured chordae tendinae and just watching this everything make sense, thank you.
This helped so much it's very difficult to imagine this with still images so this helped thanks
your way of visualizing the topic was really fabulous. a great thing can be learned within a minute. thanks.
This was so useful for my science homework! Thank you!
OMG FINALLY A SUPER EASY TO UNDERSTAND VIDEO!! chop you never fail me!!
Simple , straight to the point and very informatibe. Thanks
fantastic, short, helpful and the visual was great. Thanks :)
Very good. Straight forward and accurate. Thanks!
this was the most helpful video about the heart so far!! thanks!!!
You made it so clear and straight to the point thank you 🙏
That was one of the best animation of blood flow i have seen!! It helped a lot
the best and clearest ! awesome video, thank you
So simple and nice explanation.. Really easy to understand.
This is great because I am working on a project with my friends and our body system is the Circulatory System. Very useful
Great simple video
Really thanks
And others expect us to believe the big bang created this.
great video, this will help with my biology project. But with the speakers on my laptop going funny lately, the video gives me humour as well as knowledge!
Thanks for this awesome video 🙏🏼
i have a science test and this helped a lot! Thank You!
Amazing Animation , Nice
Hi, i was wondering if this video incorrectly depicts the closing of valves timed to the 'lub' dub sound. It seems the Atrioventricular valves close during the 'dub' in this video.
This makes so much more sense now! Thank you! :)
This was great!
amazing animation, thanks
Great animation, but unfortunately the sounds are around the wrong way. The "Lub" should be the atrioventricular valves closing and the "dub" should be the Semi-lunar valves closing. *Flies away*
Great video!
Perfect! Thank you so much!
I agree with Jessica, Perfect straight to the point!!!
WOOW best video out there
Excellent video! Thanks a lot
Excellent video, thanks for posting, much appreciated : )
very useful thanks a lot
thank you for sharing
Please clarify my confusion. For you S1 sound, the "lub", your animation shows that being the sound of the aortic and valve closing and the S2, or "dub" being the mitral and tricuspid valve closing. Isn't it the other way around?
Warning! This video has the "lub dub" backwards! lub= AV valves closing, dub=SL valves closing.
Great animation it helped me aloth.Thanks
Nice animation!
Very good film.
so informative!
straight to the point...i love it!
It really helps to see the muscles in action
Beautiful! Thank you :D
That was perfect all I need to see. Thank you.
thanks for helping me study for my final exam!
Thanks, very helpful.
wow! exactly what I wanted to see :D
Very helpful.thank you
Very helpful... Thank you 🙏
Perfect visuals
Great, like the explanation
Excellent!!!
to the point. perfect demonstration. thanks!
Straight to the point.
Great animation! Thanks! :)
plain & simple now add your knowledge on the respiratory system and everything makes since
so helpful!!
THANK YOU
it's very perfect I can easily understand just a minute❤
amazing how all these made by nature WOW o.o
Never knew heart looked so frightening
Human body is amazing
THANK YOU!
Awesome!'
Thank u !
thank you!
amazing!
THANK YOU!!!!
cool video!cool summery!
Good job... I will let you know how my exam goes.
perfect
Be thankful there isn't a physiologist out there who went on to become an architect. Woe be tide anyone who asks that person to construct an atrium into their home.
great video
Perfecto!
saved my poor ass from failing thank you
God is amazing.
Can someone who knows tell me if I'm right. Before watching this video I thought veins were blood vessels that both take blood to the heart and carry de-oxygenated blood and arteries were blood vessels that both take blood away from the heart and carry oxygenated blood. So when I heard the pulmonary ARTERY carries de-oxygenated blood away from the heart and the pulmonary VEINS carries oxygenated blood to the heart, I was a little confused. So is it that a vein simply carries blood to the heart and arteries carry blood away from the heart, nothing more?
thank you thank you thaaaank you!!
Is it just me, or are S1 and S2 mixed up... I'm hearing S1(lub) and seeing the semilunar valves closing... that isn't anatomically correct. S1 = systole = SL valves open during ventricular ejection. Otherwise a really good video.
Nice
fast review but thanks!
HOLY COW!! I get it now!! 💃❤
the heart for babies. love it :)
the sound doesn't look like it matches the valve action?? shouldn't the first sound (lub) be the sound of mitral and tricuspid closing and the second sound (dub) be the semilunar valves closing?
'
the heart beat sound is a soo beautifully blood pump in the body
Cool
good
This is very functional
As someone with a history of heart problems, this was hard to watch...
But informative nonetheless!