Posterous theme by Cory Watilo

Video 59 Notes: Organs systems at Work

·         All organ systems work together and respond to each other like in a complicated machine

·         To lift your arm, the muscles pull the skeleton which acts like a set of levers, the nervous system  tells your muscles what to do, your circulatory system supplies the muscle with food and oxygen

 

All information an images came from http://lgfl.skoool.co.uk/content/keystage3/biology/pc/learningsteps/OSWLC/launch.html

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