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