In certain organisms, these smaller substances are absorbed through the small intestine into the blood stream. Digestion is a form of catabolism that is often divided into two processes based on how food is broken down: mechanical and chemical digestion. The term mechanical digestion refers to the physical breakdown of large pieces of food into smaller pieces which can subsequently be accessed by digestive enzymes.
shibboleth (plural shibboleths) 1  A word, especially seen as a test, to distinguish someone as belonging to a particular nation, class, profession etc. 2  A common or longstanding belief, custom, or catchphrase associated with a particular group, especially one with little current meaning or truth. It's about time we abandoned the bourgeois shibboleth that earning money makes you a better person.
Filius Flitwick was a kind, intelligent wizard who cared for his students and tried his best to help them learn the best they could. He values learning and this is a noticeable Ravenclaw trait. In short, Ravenclaws are intelligent, though not necessarily studious. They can be absent minded, creative, wise and can be considered strange, however, they love to learn and to seek knowledge if they are interested in the subject.