skibidi toilet

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Across
  1. 4. Something used to save lives
  2. 6. How two different living organisms live together and depend on one another
  3. 7. A piece of writing written by their life
  4. 9. The removal of living tissue from the body for diagnostic examination
  5. 10. A piece of writing written about someone else
Down
  1. 1. This can help people live longer
  2. 2. The study of living things
  3. 3. Someone who studies living things
  4. 5. The study of the nervous system
  5. 8. The sphere where life is