Biology Exam 1 Review

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Across
  1. 7. Membranes that line body internal cavities and surfaces of organs
  2. 8. Membrane lining medullary cavity of a bone
  3. 9. Synovial joints allowing a wide degree of movement
  4. 10. "Full-thickness" burns
  5. 11. Cartilaginous joints allowing some movement
  6. 14. Most scalds are classified as this
  7. 15. the bulk of epidermal cells
  8. 19. unspecialized ____ cells undergo mitosis to produce new cells
  9. 23. Stratum where the 2nd most dangerous form of skin cancer originates
  10. 25. Stratum of dead cells and keratin
  11. 26. Membranes that line internal passageways leading to external environment
  12. 27. Ridges of dermis projecting upward. Dermal ____
Down
  1. 1. Concentric rings of calcified bone matrix
  2. 2. ____ are skin cells with a sensory role
  3. 3. Skin cells that alert the immune system to pathogens
  4. 4. Sun burns are classified as this
  5. 5. When a cancer spreads to other parts of the body
  6. 6. Fibrous membrane covering bone
  7. 12. Bone cells that lay down calcified bone matrix
  8. 13. Stratum where the majority of keratinization occurs
  9. 16. Muscle that makes hair stand on end. ____ pili
  10. 17. Fibrous joints allowing little to no movement
  11. 18. Stratum that only appears in thick skin
  12. 20. Picked up by keratinocytes to shield their nuclei from UV rays
  13. 21. touch receptors in the epidermis
  14. 22. Spaces in an osteon where osteocytes live
  15. 24. Stratum where the most common form of skin cancer originates