function
air
asthma
background
balls
blow
breath
breathing
capacity
care
deep
encourage
exercise
expand
flow
health
healthcare
hospital
incentive
inhalation
isolated
lung
medical
medicine
meter
oxygen
peak
plastic
pneumonia
prevent
preventative
prevention
pulmonary
recovery
rehabilitation
respiration
spirometer
sterile
sucking
surgery
therapy
three
transparent
treatment
tri
tube
volumetric
white