mitosis cancer when making new cells goes terribly wrong
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Mitosis & Cancer: When Making New Cells Goes Terribly Wrong!

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Mitosis & Cancer: When Making New Cells Goes Terribly Wrong!. When is mitosis a good thing?. When you have to add or replace cells growth & development repair replacement. When is mitosis a BAD thing. When cells reproduce & they are not needed

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when is mitosis a good thing
When is mitosis a good thing?
  • When you have to add or replace cells
    • growth & development
    • repair
    • replacement
when is mitosis a bad thing
When is mitosis a BAD thing
  • When cells reproduce & they are not needed
    • these cells take over organs, but don’t do the right job
    • they just keep making copies
    • cancer
      • damages organs
why would cells just make copies
Why would cells just make copies?
  • If DNA gets damaged, cells stop listening to correct instructions
    • mutations
  • Causes of mutations:
  • UV radiation
  • chemical exposure
  • radiation exposure
  • heat
  • cigarette smoke
  • pollution
  • age
  • genetics
tumors
Tumors
  • Benign tumor
    • abnormal cells remain at original site as a lump
    • most do not cause serious problems &can be removed by surgery
tumors1
Tumors
  • Malignant tumor
    • cells leave original site
      • carried by blood system to other tissues
      • start more tumors
    • damage functions of organs throughout body
treatments for cancers

side effects

Treatments for cancers
  • Treatments kill rapidly dividing cells
    • chemotherapy
      • poisonous drugs that kill rapidly dividing cells
    • radiation
      • high energy beam kills rapidly dividing cells
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Any Questions??

Any Questions??

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