Across
- 4. programmed cell death. a normal process that allows new cells to replace aging cells.
- 5. movement usually through the blood stream of cancer cells from one location in the body to another.
- 7. the ability to spread to other parts of the body and invade and destroy tissues.
- 9. tissue found between other tissues in the body.
- 12. factors in this case foods or food preparation techniques that give rise to cancer; they are carcinogenic.
- 13. a growth that results from excessive cell division; serves no functional purpose in the body.
- 16. a change or mutation in the DNA of a cell.
Down
- 1. development of new blood vessels.
- 2. molecules that protect the body from free radical damage.
- 3. foods and food components that reduce the risk of developing cancer.
- 6. a cancer-causing agent.
- 8. genes that code for proteins that encourage cell growth.
- 10. cells that line body and organ surfaces.
- 11. foods or food preparation techniques that do not form cancer cells but encourage growth of cancerous cells once these cells exist.
- 14. genes that allow uncontrolled cell division.
- 15. nonnutritive substance found in plant sources thought to have protective biological effects in the body.