Muscular System Our Muscles Muscular system functions for kids
>> YOUR LINK HERE: ___ http://youtube.com/watch?v=axDPOPCj-t0
Visit http://www.makemegenius.com ,watch all human body systems other science educational videos for kids for free. • Meaning and Definition - Muscles in an average human body constitute 40% of the body's weight ,there about 600 muscles in a human body.All these muscles put together form muscular system.The muscular system is a network of muscles and tissues which control the body's movement. All the activities which the body performs (i.e., jumping ,smiling running etc.) happen due to the contraction and relaxation of the muscles.
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