Immunodeficiency occurs when the immune system is not working properly, and many cancers can cause immunodeficiency. Given these facts, what can happen with the immune system when the body has cancer among the following options:
- a lot of human deaths
 - It won't work properly
 - major threat to health
 - It will work efficiently
 - hospitalization
 - It will grow
 - direct damage to the lungs
 - It won't do anything


 

  It won't work properly       