Relier Pairs Respiratory matchingVersion en ligne respiratory par Dr. David Myers 1 bronchioles 2 epiglottis 3 trachea 4 inhalation 5 adenoids 6 bronchi 7 alveolus 8 diaphragm 9 cilia 10 expiration thin hairs attached to the mucus membrane epithelium lining the respiratory tract lid-like piece of cartilage covering the larynx windpipe the act of breathing air out air sacs in the lungs branches of the trachea leading into lungs lymphatic tissue in the nasopharynx muscle separating the chest and the abdomen small branches of the tubes leading into the lungs the act of breathing air in