You will learn things like why it is so important to chew your food well (increase the surface area for enzymes to get at the food). Our bodies also have adapted to provide a huge surface area for the digestive system to work; the small intestine alone has a surface area of 250 square meters (larger than the size of most apartments). Your small intestine is 4.5 to 10.5 meters long.

Related: Staphylococcal Food Poisoning – Energy Efficiency of Digestion – Tracking the Ecosystem Within Us – Waste from Gut Bacteria Helps Host Control Weight