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Frog can breath in oxygen through their _______ skin when in water. (m/o/s/t/i)
moist
Fish have ______ to help them breath in water. (i/g/l/l)
gill
Insects breathe in oxygen from the air through their ________ _____ (b/e/a/r/t/h/g/i h/o/e/l).
breathing hole
Drinking enough _______ and exercising help keep our body healthy.
water
What is this? (n/i/w/d/p/i/e/n)
windpine
What is this?
lungs
Gas exchange takes place through the __________ (a/r/i s/c/a/s
air sacs
Air passage connecting the NOSE and LUNGS, called ______________ (w/n/i/d/p/i/e/p)
windpipe
Inhalation and exhalation of air, called ____________ (r/e/s/i/p/t/o/i/n/r/a)
respiration
Swapping one gas for another, called ___________ (a/g/s e/x/c/a/h/e/n/g)
gas exchange
Choose the same meaning word: Exhale (breathe in / breathe out)
breathe out
Choose the same meaning word: Inhale (breathe in / breathe out)
breathe in
____________ is PRODUCED by our body when we carry out daily activities. (oxygen / carbon dioxide / nitrogen )
Carbon Dioxide
Our body needs _________ to survive. (oxygen / carbon dioxide / nitrogen )
oxygen
Which gas makes up 78% of the air we breathe? (oxygen / carbon dioxide / nitrogen )
nitrogen
Air contains different types of _________ (cakes/ gases/ toys)
gases
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