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  1. Measuring electric current
  2. Map showing the Local Arm in the Milky Way
  3. Lungs
  4. Lung bronchioles
  5. Lamps connected in series
  6. Lamps connected in parallel
  7. Laika the space dog postcard
  8. Inner ear
  9. Illustration showing the major coronary arteries
  10. Illustration of the human placenta
  11. Illustration of rods and cones in the retina
  12. Illustration of lung bronchioles and alveoli
  13. Illustration of a 32 day old human embryo
  14. Human heart, artwork
  15. Historical artwork of the constellation of Leo
  16. Historical artwork of the constellation Aquarius
  17. Eye anatomy, artwork
  18. Explorer 1
  19. Embryo development
  20. Electronic and biologic systems, artwork
  21. Earliest recording of a European meteorite
  22. Composite image of the phases of the Moon
  23. Colored engraving of Newton's reflecting telescope
  24. Cell division
  25. Car design
  26. Brass astrolabe from the middle ages
  27. Brain and vision
  28. Artwork: brain frontal areas that control the body
  29. Artwork showing the pupil of eye in varying light
  30. Artwork of the structure of the front of an eye
  31. Artwork of the pancreas showing insulin production
  32. Artwork of structures within a human nerve
  33. Artwork of Mars Polar Lander descending onto Mars
  34. Artwork of human fertilisation and implantation
  35. Artwork of foetus at 36th week of pregancy
  36. Artwork of foetal blood flow through placenta
  37. Artwork of eye
  38. Artwork of drug transmission to brain nerve cell
  39. Artwork of alveoli
  40. Artwork of a section through the human kidney
  41. Amateur astronomy, computer artwork
  42. 1951 space shuttle design
  43. Zodiac signs
  44. Zenobe Gramme
  45. Young hare, by Durer
  46. xDNA molecule
  47. xDNA molecule
  48. White noise, conceptual artwork