The+circulatory+and+excretory+systems

Natural Science Designed by Angela Ruiz Montero angela.ruiz.teacher@gmail.com || media type="custom" key="13571902" align="center"
 * = **4. THE CIRCULATORY AND EXCRETORY SYSTEMS** ||
 * [[image:http://media.tiscali.co.uk/images/feeds/hutchinson/ency/0013n036.jpg]] [[image:http://www2.fcsconline.org/staff/gradyt/digestive.jpg width="378" height="503"]] ||
 * = 3rd Secondary Education
 * **1. The circulatory system**
 * Watch the next video about the circulatory system.


 * The heart is a wonderful organ. What do you know about it? Learn more things with this video.

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 * Watch the following presentation on the circulatory system.

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 * How much have you learn? Try this quiz.
 * **2. The excretory or urinary system**
 * Learn about the urinary system with these videos:

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 * Revise for the exam with this presentation:
 * **3. References**