Insides of body systems: By william wilkinson some spaces are _

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Across
  1. 3. Hair like organelles
  2. 4. The first part of the small intestine
  3. 6. Protein in blood responsible for color
  4. 8. Non-neuronal cells
  5. 12. Consists of Carbon Dioxide and urea
  6. 13. Supplies Blood to your kidney
  7. 14. Threads found in a striated muscle
  8. 16. Core spinal muscle
  9. 18. Supplies blood to heart
  10. 19. helps swallow
  11. 20. Producing urine
Down
  1. 1. Protective gel in the nose, snot
  2. 2. Thin 2 layered membrane
  3. 5. Digestive substance
  4. 7. Specialized neuron cells
  5. 9. Attachment point of the skeleton to the muscle
  6. 10. Natural Protein waste
  7. 11. Connects cerebrum to spinal cord
  8. 15. Connective tissue covering the bone
  9. 17. Part of heart that acts like doors