Word Parts Quiz #7

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Across
  1. 1. under the tongue
  2. 3. someone who studies reptiles
  3. 5. bleed heavily
  4. 7. taking pictures using sound waves
  5. 8. printout of the heart's electrical activity
  6. 9. a fish without a jaw
Down
  1. 2. a plant's response to the earth's gravity
  2. 4. red blood cell
  3. 6. stomach and intestines