http://www.youtube.com/watch?v=4BY0bZCjANA
dijous, 28 de gener del 2010
crossword.
Here you have the crossword that you will have to do for the next class.Remember that we will correct on Tuesday, so don't forget it!
BREATHING AND RESPIRATION.
http://kent.skoool.co.uk/content/keystage3/biology/pc/learningsteps/TRSLC/launch.html
Here you have an explanatory video about the respiratory system.
Hope you enjoy it!
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