Branches of science part 1

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Across
  1. 3. the study of organisms and their parts
  2. 7. the study of heredity and passing traits
  3. 8. the study of physics of stellar phenomena
  4. 11. the study and growth and development of living things
  5. 12. the study of blood and blood making organs
  6. 13. the study of past human lives
  7. 15. the study of the universe in regards to time and space
  8. 17. the study of insects
  9. 19. the study of the heart
  10. 21. the study of laughter
  11. 22. the science of growing and maintaining a forest
Down
  1. 1. study of sound
  2. 2. the study of plants
  3. 4. the study of applying beauty treatments to hair, skin, and nails
  4. 5. the art of making maps and charts
  5. 6. The study of water on earth
  6. 9. the study of enzymes
  7. 10. the study of blood and blood making organs
  8. 14. the study of life and organisms
  9. 16. the study of the origin and history of earth
  10. 18. the study of the size and shape of the earth
  11. 20. the study of outer space