The Functions of Human Tissue, Digestive and Muscular Systems | Healthmad - 0 views
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Fernando Lachica on 29 Feb 12Your body had three types of muscles: voluntary muscles, which respond to an act of the will, such as your arm muscles when you do a dumbbell curl; involuntary muscles, which acts independently of the will, such as the muscles lining the blood vessels or digestive tract; and the cardiac muscle, the heart, which is a little of both, beating independently of the will, but still responsive to it, especially in moments of emotional stress. Read more: http://healthmad.com/healthcare-industry/the-functions-of-human-tissue-digestive-and-muscular-systems/#ixzz1nnSLcZKe