¹     Sam ran up the block. Sam ran down the block.
 
²     Sam went up the tree. Sam went down the tree.
 
³     Sam jumped. He hopped. He liked to play. Sam was out of breath.
 
⁴     Sam sat down. His dad sat down too. They were in the park.
 
⁵     "Daddy," Sam said.
 
⁶     "Yes, Sam," his dad said.
 
⁷     "Why do I breathe?" Sam asked.
 
⁸     "Well, Sam," his dad said. "You take in a special part of the air when you breathe in. This air and your food work so you can have energy. Then you can play."
 
⁹     "Where does the air go?" Sam asked.

Paragraphs 10 to 20:
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