UOI - 2 HOW WE ARE

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Across
  1. 3. the visible part of the tooth is called ______
  2. 5. in front, there are four flat and thin teeth. these are called _____
  3. 6. gas we breathe in.
  4. 7. gas we breathe out.
  5. 9. Exchange center of gases.
  6. 12. _____ organs are located on outher side of our body.
Down
  1. 1. on each side of these incisors, there is a long, sharp and pointed tooth. these are called ______
  2. 2. _____ have many taste buds.
  3. 4. the other name of windpipe is called _____
  4. 8. it carries oxygen to different cells of uor body.
  5. 10. _____ organs are located inside our body.
  6. 11. _____ is the structural and functional unit of our life.
  7. 13. air enters the body through ______