Science

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Across
  1. 4. the percent of red blood cells destroyed
  2. 7. average gain of red blood cells
  3. 9. Red blood cells are__ in Space
  4. 10. Planets are in____
Down
  1. 1. This is how long they were in space
  2. 2. Pulls toward the Earth
  3. 3. Scientist that found the drop in cells
  4. 5. people that go into space
  5. 6. the types of cells
  6. 8. trudel's discovery___ and methods