Iodine solution is a yellow-brown color and is used to test for starch. If starch is present it turns .......

Digestion is the breaking down of food from large insoluble molecules into smaller soluble molecules. In humans, the large intestine is roughly 1.5 meters long, whereas the small intestine can be up to 7 meters long.  The 'large' and 'small' pertain to the diameter rather than the length.