airways
anatomy
asthmatic
breathing exercise
brething function
bronchi
bronchioles
bronchus
cogs
collapsed lung
gears
health care
healthy lungs
human internal organ
human lung
inhaling
isolated
lung cancer
lung transplant
oxydation
pneumonia
pulmonary
respiration
respiratory system
respiratory tract
working
定額
Human lungs health medical care symbol with gears and cogs connected together breathing oxygen representing the function of a healthy lung organ and anatomyの素材 [FY31015491706]
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