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valentina_108 [34]
4 years ago
13

RESPIRATION WORKSHEET (1)

English
1 answer:
frozen [14]4 years ago
8 0

Answer:

  1. to get oxygen to our cells
  2. when we inhale, the diaphragm goes down and our lungs expand
  3. pinch nose closed and give 2 breaths, 1 second long each
  4. ?
  5. a. ? b. appendages that stick out of the eukaryotic cell c. exchanges oxygen and carbon dioxide molecules to and away from the bloodstream  

Explanation:

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