Related terms:
larynx
pharynx
lungs
alveoli
trachea
vein
lung
gas exchange
mammalian
alveolar
capillaries
esophagus
thoracic
amphibians
muscles
diaphragm
cavity
pulmonary
breathing
ventilation
physiology
respiration
anatomy
gases
abdominal
respiratory
bird
posterior
carbon dioxide
oxygen
Wikipedia sources:
Respiratory system
Respiratory disease
Lung
Apatosaurus
Thoracic diaphragm
Vertebrate trachea
Respiration (physiology)
Context for words:
respiratory
system
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