Pltw hbs glossary exam - Study guides, Class notes & Summaries

ABO System - A system of four types (A, AB, B, and O) which human blood is classified into, based on the presence or absence of certain antigens. Abstraction - The process of taking away or removing characteristics from something to reduce it to a set of essential characteristics. Accessory Organs - The accessory organs of the digestive system aid in the digestion of our food, but are not a part of the long GI tube. These accessory organs include the teeth, tongue, salivary glands, liver, ...