A man and woman ponder an ord, within which is an alien who ponders them back with an order of its own. From the beyond, further orbs, and further pondering of this pondering.
Food is broken down into smaller pieces through chewing (mechanical digestion), while the extensive process of chemical digestion begins. As food is chewed, saliva is produced and mixed with the food. The saliva contains enzymes, like amylase and lipase, that begin to break down carbohydrates and fats.