Superior Nasal Conchae Internal Nares Superior Nasal Conchae Middle Nasal Conchae 1 Opening of Eustachian Tube 2 Inferior Nasal Conchae Nasopharynx 13 3 15 14 Pharyngeal Tonsils Hard Palate 4 16 5 Soft Palate 6 Palatine Tonsils 17 Uvula 18 Oropharynx 7 19 Sublingual Gland 8 Fauces 9 Laryngopharynx 20 Submandibular Gland Epiglottis 10 11 Ventricular Folds Vocal Folds 21 12 Cricoid Cartilage Thyroid Cartilage
Corniculate Cartilage Thyroid Cartilage Epiglottal Cartilage 1 1 Hyoid Bone 2 6 Vocal Folds Corniculate Cartilage Thyroid Cartilage 7 3 8 4 Arytenoid Cartilage Cricoid Cartilage “C-Ring” Tracheal Cartilage 5
Hyoid Bone Thyroid Cartilage Cricoid Cartilage Right Primary Bronchi Apex of Lung Pulmonary Vein 4 Trachea 3 5 Pulmonary Artery Secondary Bronchi 8 Left Primary Bronchi 6 Bronchiole 7 Pulmonary Lobule
Tertiary Bronchi Pulmonary Artery Secondary Bronchi Bronchioles 3 Secondary Bronchi 5 4 Bronchioles 3 1 6 2 1 2 Primary Bronchi Pulmonary Vein 2 3 7 Esophagus 8 Diaphragm
5 3 6 Tertiary Bronchi Pulmonary Arteries Bronchioles Pulmonary Veins Alveolar Capillaries 6 Alveoli Visceral Pleura
Alveolar Epithelial Cells 3 1 Alveolus Alveolar Capillaries 2
3 1 Alveolar Capillaries Alveolus 2 Elastic Fibers