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Grade 5 Respiratory System Worksheet
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Respiratory System
Grade 5 · Science
- 1.Which organs do you use to breathe?Â
- 2.What gas do we breathe out as waste?Â
- 3.What muscle below the lungs helps you breathe in and out?Â
- 4.What tiny air sacs in the lungs is where oxygen enters the blood?Â
- 5.What gas do we breathe in that our body needs?Â
- 6.What is the tube that carries air from your throat to your lungs called?Â
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