Like the brain, human muscles can also be described as the engine - TopicsExpress



          

Like the brain, human muscles can also be described as the engine of the human body and they are very important. Muscles help with the pumping of blood, lifting up things and a lot of other things. Facts: -There are three kinds of muscles; cardiac, smooth and skeletal muscles. - Muscles cannot push - Muscles can only pull - Frowning takes 43 muscles, and smiling 17. - The strongest muscles in the human body are masseters – used for chewing. - Skeletal muscles can be controlled by thought
Posted on: Sat, 13 Jul 2013 14:24:19 +0000

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