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