This document provides an overview of the respiratory system and instructions for a lab on respiratory diseases. It begins with an introduction to the upper and lower respiratory tract. Part one defines basic functions like coughing, sneezing, and the role of cilia. Part two directs the user to label diagrams of the nasal cavity and lungs. Part three has the user research a respiratory disease on the CDC website, selecting one that affects the respiratory system and describing the microbe, affected structures, at-risk groups and severity.