Question

Which of the following is NOT a factor that makes cancer cells hard to treat?
a. Cancer cells are outside invader cells that your immune system does not recognize.

b. Cancer cells have the ability to secrete their own growth hormone.

c. Cancer cells frequently undergo mitosis.

Answer 1

Answer:

A. cancer cells aren't outside cells. they are our own cells that have been damamged over time and mutate to become cancerous