← The Respiratory System Export Options Alphabetize Word-Def Delimiter Tab Comma Custom Def-Word Delimiter New Line Semicolon Custom Data Copy and paste the text below. It is read-only. Select All respiration is the process in which oxygen and glucose undergo a complex series of chemical reactions inside cells cilia tiny hairlike extensions that line the nasal cavities that can move together in a sweeping motion. The cilia sweep the mucus into the throat, where you swallow it. pharynx or throat, it is the only part of the respiratory system that is shared with another system---the digestive system trachea or windpipe. bronchi are the passages that direct air into the lungs. lungs are the main organs of the respiratory system. alveoli are tiny hollow air sacs of lung tissue specialized for the movement of gases between air and blood. diaphragm a large, dome shaped muscle that plays an important role in breathing. larynx or voice box, is located in the top part of the trachea, underneath the epiglottis. two vocal cords folds of connective tissue that produce your voice stretch across the opening of the larynx.