This Medical clip art of the muscular system is of large format and is suitable for presentations, school projects etc. This clip art is useful for students and teachers of biology and zoology. The images are too large for use on web pages. unless you use the thumbnail pictures. Selections of both colour and black and white clip art are available. Please feel free to use them anyway you wish for non commercial purposes only Please do not include these in any other collections of clip art. The human muscular system is made up of over 600 muscles, which act in groups. Muscles, in turn, are made up of fibers and cells. Muscles are what enable you to do just about everything – from walking to lifting heavy objects to helping to pump blood throughout the body. Muscles are distinguished as either involuntary or voluntary. Involuntary muscles function within the body automatically, without you being able to control them. Voluntary muscles are the ones that are under your control. All muscles are made up of the same type of material – a kind of an elastic tissue, akin to what rubber bands are made of. Each muscle is made up of thousands of tiny fibers. There are three kinds of muscles in the human muscular system: the skeletal muscle; the cardiac muscle; and the smooth muscle. Plus, the facial muscles and the tongue are a unique kind by themselves.

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