All of the above would be the answer they want to see
Cancer is:
A disease that occurs when abnormal cells multiply out of control.
Have a good day!
Answer:
1. The brain is not under control
2. You have no idea what you are doing
3. It harms your body and can cause disorders
The first line of defense of the immune system includes mechanical barriers that prevent organisms from the body. The second line of defense includes processes that help remove or neutralize organisms that have penetrated mechanical barriers. The third line of defense is a complex defense that recognizes and reacts to specific organisms.