title: Lung-air-sac anatomy and respiratory pressures in the bird.
mesh_terms: D000400:Air Sacs / Q000033:anatomy & histology*; D000403:Airway Resistance; D000818:Animals; D002645:Chickens; D008168:Lung / Q000033:anatomy & histology*; D011312:Pressure; D012123:Pulmonary Ventilation; D012119:Respiration; D013147:Spirometry; D014828:Vocalization, Animal