Related terms:
lung
mucus
lungs
larynx
trunk
alveoli
gases
breath
cavity
trachea
alveolar
oxygen
muscles
bronchioles
anatomy
pulmonary
diaphragm
amphibians
diffusion
breathing
capillaries
vertebrate
respiration
physiology
ventilation
respiratory
surface area
respiratory system
requirements
carbon dioxide
Wikipedia sources:
Lung
Respiratory system
Human lung
Plant stem
Pulmonary alveolus
Respiration (physiology)
Gas exchange
Context for words:
gas
exchange
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