sciences
function
anatomical
anatomy
background
biology
breathing
cartoon
clip art
clipart
contracted
diagram
diaphragm
drawing
education
educational
exhalation
explanation
graphic
health
health care
illustration
image
infographic
inhalation
learn
learning
lungs
medical
medicine
microbiology
muscle
pathology
physical
physiological
physiology
picture
process
relaxed
science
scientific
structure
system
trachea