The function of the digestive system is digestion and absorption. Digestion is the breakdown of food into small molecules, which are then absorbed into the body. The digestive system is divided into two major parts: The digestive tract (alimentary canal) is a continuous tube with two openings: the mouth and the anus.
Subunits are called nucleotides
Because they can move faster than you. And when you move your ands to the fly it looks like it’s in slow motion