domingo, 16 de enero de 2011

Can you believe it?

Three post on the respiratory system and no video yet, can you believe it?. In this post just in case you are missing the videos, here you have some of them.

The first one is for kids but very clear and easy to understand.

The second one is a reviw of all the parts and organs of the respiratory system.

In the last one of this post you can understand the breathing movement.

Good work and until the next post.

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