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  1. Planets' internal structures
  2. Planetary formation, computer artwork
  3. Pictorial plaque on Pioneer 10 and 11
  4. Oil refining process
  5. Noses
  6. Nose, mouth and throat
  7. Nerve synapse
  8. Nerve cell, computer artwork
  9. Mitosis
  10. Mechanics of swallowing, diagram
  11. Measuring electric voltage
  12. Measuring electric current
  13. Map showing the Local Arm in the Milky Way
  14. Lungs
  15. Lung bronchioles
  16. Lamps connected in series
  17. Lamps connected in parallel
  18. Laika the space dog postcard
  19. ITER fusion research reactor
  20. Inner ear
  21. Illustration showing the major coronary arteries
  22. Illustration of the human placenta
  23. Illustration of rods and cones in the retina
  24. Illustration of lung bronchioles and alveoli
  25. Illustration of a 32 day old human embryo
  26. Human heart, artwork
  27. Historical artwork of the constellation of Leo
  28. Historical artwork of the constellation Aquarius
  29. Eye anatomy, artwork
  30. Explorer 1
  31. Embryo development
  32. Electronic and biologic systems, artwork
  33. Earliest recording of a European meteorite
  34. Composite image of the phases of the Moon
  35. Colored engraving of Newton's reflecting telescope
  36. Colliding beam fusion reactor
  37. Cell division
  38. Car design
  39. Brass astrolabe from the middle ages
  40. Brain and vision
  41. Artwork: brain frontal areas that control the body
  42. Artwork showing the pupil of eye in varying light
  43. Artwork of the structure of the front of an eye
  44. Artwork of the pancreas showing insulin production
  45. Artwork of structures within a human nerve
  46. Artwork of Mars Polar Lander descending onto Mars
  47. Artwork of human fertilisation and implantation
  48. Artwork of foetus at 36th week of pregancy