2. 1. Ventilation 2. Respiration 3. Gas transport in blood 4. Inhalation

3. 1. Larynx 2. Conchae 3. Nasal cavity 4. Septum

4. 1. Pharynx 2. Larynx 3. Oral cavity 4. Glottis

5. 1. Cricoids 2. Glottal cartilage 3. Conchae 4. Septum

6. 1. Vocal folds 2. Cricoid cartilage 3. Pharynx 4. Paranasal sinus

7. 1. Larynx 2. Pharynx 3. Epiglottis 4. Paranasal sinuses

8. 1. Epiglottic cartilage 2. Cricoid cartilages 3. Thyroid cartilage 4. None of these

9. 1. Trachea 2. Bronchii 3. Glottis 4. Epiglottis

10. 1. Epiglottis 2. Cricoid cartilage 3. Trachea 4. Bronchii

11. 1. Closing 2. Opening 3. Vibrating 4. Sticking together

12. 1. Elastic 2. Hyaline 3. Reticular 4. Epiglottal

13. 1. Surfactant 2. Alveolar sacs 3. Diaphragm 4. Bronchioles

14. 1. Up/falls 2. Up/rises 3. Down/falls 4. Down/rises

15. 1. Surfactant 2. Alveolar ducts 3. Oxygen 4. Capillaries

16. 1. Relax, raising 2. Relax, lowering 3. Contract, lowering 4. Contract, raising

17. 1. Buccinator 2. Trapezius 3. Infraspinatus 4. Pectoralis minor

18. 1. Contract 2. Relax

19. 1. Tidal volume 2. Expiratory reserve volume 3. Respiratory cycle 4. Residual volume

20. 1. Inspiratory reserve volume 2. Expiratory reserve volume 3. Residual volume 4. Resting tidal volume

21. 1. Tidal volume 2. Residual volume 3. Vital capacity 4. Total lung capacity

22. 1. Vital capacity 2. Tidal volume 3. Residual volume 4. Total lung capacity

23. 1. Medulla and corpus callosum 2. Pons and brain stem 3. Medulla and Pons 4. Corpus callosum and brain stem

24. 1. Apoxia 2. Hypoxia 3. Hyperoxia 4. None of these