biology crossword

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Across
  1. 3. organ of the body that pumps blood
  2. 6. this joint makes your arm bend
  3. 8. what are your large back teeth called
  4. 9. your processing unit?
  5. 10. what word do we use for a group of lions
  6. 11. which gas do we need to breathe
  7. 12. what is the name for a place where a beaver lives
  8. 15. your tonsils are here
  9. 17. where in the body would you find the iris
  10. 18. is a tomato a vegetable of a fruit
  11. 19. this will become a frog
Down
  1. 1. what do plants use to breathe
  2. 2. a limb
  3. 4. which is the longest bone in the body
  4. 5. what is another name for your kneecap
  5. 7. largest mammal
  6. 13. what is the name given to animals who keep their young in a pouch
  7. 14. the 5 senses: sight, hearing, smell, touch and ?
  8. 16. what is the name for all the bones in your body
  9. 20. what is the white covering on your teeth called