The+Importance+of+Digestion

How important is digestion to your body? Without digestion our body would simply wither away and die. This is because digestion is the way through which our body recieves the vital nutrients to be able perform the everyday functions that keep our body healthy and working efficiently. Without digestion our body would have no resources to use in order to carry out bodily functions Obtained From: http://www.whfoods.com/genpage.php?tname=faq&dbid=16
 * Why do our cells need nutrients to perform?
 * How does digestion break down the nutrients?
 * Why is breaking down nutrients so important to the body?