What part does the air travel through?
lungs
windpipe
nose
What part does the air enter the body through?
lungs
nose
windpipe
What kind of air do the lungs filter?
oxygen
nitrogen
Carbon dioxide
When do the lungs get smaller?
when we inhale, lungs get smaller
when we exhale, lungs get smaller
Respiratory system is about ____
breathing
running
cooking
When do the lungs get bigger?
when we inhale, lungs get bigger
when we exhale, lungs get bigger
Unscramble the word: S/N/G/L/U
LUNGS
What does the respiratory system consist of?
nose, brain, lungs
nose, windpipe and lungs
nose, windpipe and lungs are parts of the _____________
nervous system
digestive system
respiratory system
What kind of air release when we exhale?
carbon dioxide
nitrogen
oxygen