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RESPIRATORY SYSTEM

Teacher: Mr. Cornell
Across
The tube that connects the mouth to the lungs is the ___________.
Carbon dioxide is our cells' ___________ product.
The other name of our windpipe is the ___________.
The waste product of our cells is ___________ ___________.
The two spongy organs in our respiratory system are the _________.
Oxygen goes through tubes in our lungs called ___________ tubes.
When we breathe out we ____________.
All of the cells in our body need ___________.
Down
The organ that pumps our blood is the ___________.
The system that contains the lungs is the ___________.
The air sacs at the end of each bronchial tube are called the ___________.
The absolute weirdest, strangest science teacher is the world is ___________.
What carries oxygen to our cells is the _________.
When we breathe in we ___________.