Changes

: The '''Small Intestine''' is a very long tubeto give a large area to absorb nutrients.: There is around 1kg of bacteria inside the '''small intestine''' which helps [[digestion|digest]] the food.: There are [[enzyme]]s in the '''small intestine''' which break down large [[molecule]]s into smaller [[molecule]]s.: Only small [[molecule]]s can be [[absorb]]ed into the blood through the wall of the '''small intestine'''.