Fact 1: Cells that divide uncontrollably may form a tumor, or abnormal mass of cells.

Fact 2: Tumor Tumors are masses of neoplastic origin.

Given the two facts above, answer the question "Cells that divide uncontrollably may form _." with the following options: 
- masses of eukaryotic origin.
 - masses of neoplastic origin
 - cause people to become sick.
 - Microscopic organisms
 - masses of prokaryotic origin.
 - masses of epithelial origin.
 - Veins and arteries.
 - Wither and die


 

  masses of neoplastic origin       