BSCI 202 Lecture Notes - Lecture 13: Thoracic Cavity, Thyroid Cartilage, Elastic Cartilage

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azurellama836

28 Mar 2017

School

University of Maryland

Department

Biological Sciences Program

Course

BSCI 202

Professor

Lombardi

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Document Summary

Respiratory zone: site of gas exchange: microscopic structures: Conducting zone: conduits to gas exchange sites: all other respiratory structures, cleanses, wars, humidifies incoming air. Diaphragm and other respiratory muscles promote ventilation. Functions: airway, moisten and warms air entering body. Respiratory mucosa: filters and cleans inspired air. Respiratory mucosa & vibrissae (hairs: chamber to resonating speech, olfactory receptors. Respiratory mucosa: pseudostratified ciliated columnar epithelium, mucous and serous secretions. Lysozyme and defensins: inspired air warmed by capillaries and veins. Nasal conchae: superior, middle, and inferior: protrude medially from lateral walls, increase mucosal area, enhance air turbulence. During inhalation: filter, heat, and moisten air. Lighten skull, resonate sound, secrete mucus, help to warm and moisten air. Muscular passage: connects nasal cavity to larynx. Three regions: nasopharynx: superior region behind nasal cavity, oropharynx: middle region behind mouth (both food and air travels here, laryngopharynx: inferior region attached to larynx (food and air separates after this)

Related Questions

1. Match the word 1-39 above, with the descriptions labled a-t. Word 1-39 can be uses only one please!!

1. alveolar macrophages 2. alveoli 3. Bohr effect 4. bronchi 5. bronchiole 6. cerebral cortex 7. chloride shift 8. compliance 9. costal breathing 10. Daltonâs law 11. diaphragmatic breathing 12. epiglottis 13. eupnea 14. expiratory reserve volume 15. fauces 16. functional residual capacity 17. Haldane effect 18. Henryâs law 19. hilum 20. hypothalamus 21. inferior, middle, and superior nasal meatuses 22. inspiratory capacity 23. larynx 24. limbic system 25. medulla oblongata 26. nose 27. paranasal sinuses 28. pharynx 29. pleural membranes 30. pons 31. primary bronchus 32. secondary bronchus 33. surface tension 34. surfactant 35. terminal bronchiole 36. tertiary bronchus 37. total lung capacity 38. trachea 39. vital capacity

a) -------------------- serves as a sound resonating chamber; contains tonsils; directs air inferiorly

b) ------------------- passes air from pharynx into windpipe; site of sound production

c) ------------------ resonate(s) sound; not part of pharynx

D) ------------------ opening from oral cavity into pharynx

E) ----------------- carries air to a segment of a lung

F) -------------------- carries air directly into a respiratory bronchiole

G) ----------------- surround the lungs

H) ------------------ reduces surface tension at sites of gas exchange

i) -------------------- actual sites of gas exchange

j) --------------------- normal, quiet breathing

k) ----------------------- shallow breathing using just the external intercostal muscles

l) ------------------ amount of effort required to expand the lungs and chest wall

m) ------------------- tidal volume + inspiratory reserve volume, usually about 3600 mL in males

n) ----------------- tidal volume + inspiratory reserve volume + expiratory reserve volume; usually about 4800 mL in males

o) ------------------- residual volume + expiratory reserve volume; usually about 2400 mL in males

p) -------------------- states that the amount of gas that will dissolve in a liquid is proportional to the partial pressure of that gas and its solubility

q) ---------------- when pH decreases, O₂ saturation of hemoglobin decreases

r) ------------------ each gas in a mixture of gases exerts its own partial pressure

s) ------------------- sets basic rhythm of breathing

t) ------------------------ includes the pontine respiratory group

skywasp336

1. Match the word 1-39 above, with the descriptions labled k-t. Word 1-39 can be uses only one please!!

k) ----------------------- shallow breathing using just the external intercostal muscles

l) ------------------ amount of effort required to expand the lungs and chest wall

m) ------------------- tidal volume + inspiratory reserve volume, usually about 3600 mL in males

n) ----------------- tidal volume + inspiratory reserve volume + expiratory reserve volume; usually about 4800 mL in males

o) ------------------- residual volume + expiratory reserve volume; usually about 2400 mL in males

p) -------------------- states that the amount of gas that will dissolve in a liquid is proportional to the partial pressure of that gas and its solubility

q) ---------------- when pH decreases, O2 saturation of hemoglobin decreases

r) ------------------ each gas in a mixture of gases exerts its own partial pressure

s) ------------------- sets basic rhythm of breathing

t) ------------------------ includes the pontine respiratory group

orchidbee256

BSCI 202 Lecture Notes - Lecture 13: Thoracic Cavity, Thyroid Cartilage, Elastic Cartilage

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