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RESPIRATORY SYSTEM

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