Griffin,+Austen,+Emily+Notes+For+Group+for+Muscular+system

Smooth muscle notes sight: http://www.cytochemistry.net/microanatomy/muscle/smooth_muscle_2001.htm#major%20histological%20features

Smooth muscle cell's are found along the walls of hollow organs, on blood vecels, and on muscular arteries. Smooth muscle cells have a region by the nuclous filled w/ smooth endoplasmic reticulm, and a lot of mitchocondria that provide the ATP needed f/ the contractoin

Sight: http://www.answers.com/topic/smooth-muscle Deffinition from [|www.answers.com/topic/smooth-muscle]

"Muscle tissue that contracts without conscious control, having the form of thin layers or sheets made up of spindle-shaped, unstriated cells with single nuclei and found in the walls of the internal organs, such as the stomach, intestine, bladder, and blood vessels, excluding the heart."

So they are muscle's that contract withought you knowing...