Uploaded by meganmsandoval

respiratory system slide show tpt

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nose
Air
mouth
expelling
windpipe
larynx
cartilage
Bronchi
lungs
bronchioles
alveoli
sacs
lungs
lungs
bloodstream
primary
oxygen
carbon dioxide
inflated
deflated
diaphragm
muscle
expands
contracts
air
lungs
hiccups
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