Question

Which best describes cancer cells?



Cancer cells cannot enter the circulatory system.

Cancer cells grow controllably.

Cancer cells attach to organs.

Cancer cells lose nutrients to healthy cells.

Answer 1

http://biology.about.com/od/cellbiology/ss/normal-cells-cancer-cells.htm
http://www.csun.edu/~cmalone/pdf360/Ch22cancer.pdf

Answer 2

A is false. Cancer cells do spread through the circularly system. So you can cross A out. I am not sure about the other ones, but this might help: http://www.cancerresearchuk.org/cancer-help/about-cancer/what-is-cancer/grow/how-a-cancer-spreads

Answer 3

b is also wrong

Answer 4

same with D

Answer 5

Answer is C