Autumns Crossword

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Across
  1. 2. you breath in air with it
  2. 4. this muscle moves up and down to help you breath
  3. 6. you can smell with it
Down
  1. 1. a spongy organ that sits inside your ribs
  2. 3. also known as your windpipe
  3. 5. the outer part of your respiratory system