Watching these videos you will understand how the Circulatory System works.
Good luck in your learning!
THE HEART
Good luck in your learning!
THE CIRCULATORY SYSTEM
http://www.authorstream.com/Presentation/donamarcos-1618265-circulatory-system/
Now go to this link: http://kidshealth.org/teen/your_body/body_basics/heart.html
Now go to this link: http://kidshealth.org/teen/your_body/body_basics/heart.html
THE HEART
THE BLOOD (1)
BLOOD (2)
BLOOD VESSELS
Did you watch all of them? I hope so. It means that you have learned by yourself a little bit more about "The Circulatory System".
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