2. Cancers Is it genetic? http://www.hhmi.org/biointeractive/cancer-genetic-disease

4. Cancer Awareness Ribbons

6. When is mitosis a good thing? When you have to add or replace cells growth & development repair replacement

7. 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

8. 7 What is Cancer ? Cancer is uncontrolled cell division (mitosis) that can’t be stopped. A mass of cells called a tumor is a result of this uncontrolled cell division. There are 2 types of tumors: Benign = non-cancerous Malignant = cancerous and they invade and destroy other tissues.

9. Regents Biology Tumors  Benign tumor  abnormal cells remain at original site as a lump  most do not cause serious problems & can be removed by surgery

10. Regents Biology Tumors  Malignant tumor  cells leave original site  carried by blood system to other tissues  start more tumors  damage functions of organs throughout body

11. Normal vs. cancer 10

12. Normal vs. Cancer 11

13. 12 Malignant Pancreatic Cancer Tumors

14. 13 Benign Facial Tumors (neurofibromatosis)